Can Rover Afford It?

Can Rover Afford It?

Ages 6–8 · 7 minutes · Math

Help Edwin and Rover count their coins and decide what they can buy at the pet store!

In this lesson, students will practice introductory money math skills including:

– Calculating the value of small collections of coins of the same type (continued)
– Determining if the value of coins is enough to purchase an item

Part of

Standards alignment

Common Core State Standards

  • 2.MD.C.8 — Solve word problems involving dollar bills, quarters, dimes, nickels, and pennies, using $ and ¢ symbols appropriately.
  • 2.MP8 — Look for and express regularity in repeated reasoning.

Alabama

  • MA19.2.24 — Solve problems with money.
  • MA19.2.24a — Identify nickels and quarters by name and value.
  • MA19.2.24b — Find the value of a collection of quarters, dimes, nickels, and pennies.
  • MA19.1.20 — Identify pennies and dimes by name and value.

Alaska

  • 1.MD.6 — Identify values of coins (e.g., nickel = 5 cents, quarter = 25 cents). Identify equivalent values of coins up to $1 (e.g., 5 pennies = 1 nickel, 5 nickels = 1 quarter).
  • 2.NBT.2 — Count up to 1000, skip-count by 5s, 10s and 100s.
  • 2.MD.8 — Solve word problems involving dollar bills and coins using the $ and ¢ symbols appropriately.

Arizona

  • 1.MD.B.3b — Identify coins by name and value (pennies, nickels, dimes and quarters).
  • 2.MD.C.8 — Solve word problems involving collections of money, including dollar bills, quarters, dimes, nickels, and pennies. Record the total using $ and ¢ appropriately. See Table 1.
  • 1.NBT.A.1 — Count to 120 by 1's, 2's, and 10's starting at any number less than 100. In this range, read and write numerals and represent a number of objects with a written numeral.

Arkansas

  • 1.GM.6 — Identify coins by name and value, including penny, nickel, dime, and quarter.
  • 1.GM.7 — Count collections of like coins including pennies, nickels, and dimes to determine their total value up to 100 cents.
  • 1.NPV.7 — Compare two two-digit numbers using symbols (<, =, >) based on the value of tens and ones in the given numbers.
  • 2.GM.12 — Count collections of mixed coins and solve real-world problems involving quarters, dimes, nickels, and pennies within 99¢ and whole dollar amounts.

California

  • 2.MD.C.8 — Solve word problems involving dollar bills, quarters, dimes, nickels, and pennies, using $ and ¢ symbols appropriately.
  • MP8 — Look for and express regularity in repeated reasoning.
  • 1.6.1 — Understand the concept of exchange and the use of money to purchase goods and services.

Colorado

  • 2.MD.C.8 — Solve word problems involving dollar bills, quarters, dimes, nickels, and pennies, using $ and ¢ symbols appropriately. Example: If you have two dimes and three pennies, how many cents do you have?
  • 2.OA.A.1 — Use addition and subtraction within 100 to solve one- and two-step word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using drawings and equations with a symbol for the unknown number to represent the problem.

Connecticut

  • 2.MD.C.8 — Solve word problems involving dollar bills, quarters, dimes, nickels, and pennies, using $ and ¢ symbols appropriately.
  • MP7 — Look for and make use of structure.

Delaware

  • 2.MD.C.8 — Solve word problems involving dollar bills, quarters, dimes, nickels, and pennies, using $ and ¢ symbols appropriately.
  • MP8 — Look for and express regularity in repeated reasoning.

Florida

  • MA.1.M.2.2 — Identify pennies, nickels, dimes and quarters, and express their values using the ¢ symbol. State how many of each coin equal a dollar.
  • MA.1.M.2.3 — Find the value of combinations of pennies, nickels and dimes up to one dollar, and the value of combinations of one, five and ten dollar bills up to 100. Use the ¢ and symbols appropriately.
  • MA.1.NSO.1.1 — Starting at a given number, count forward and backwards within 120 by ones. Skip count by 2s to 20 and by 5s to 100.
  • MA.1.NSO.1.4 — Plot, order and compare whole numbers up to 100.
  • MA.2.M.2.2 — Solve one- and two-step addition and subtraction real-world problems involving either dollar bills within 100 or coins within 100¢ using and ¢ symbols appropriately.

Georgia

  • 2.MDR.6.2 — Find the value of a group of coins and determine combinations of coins that equal a given amount that is less than one hundred cents, and solve problems involving dollar bills, quarters, dimes, nickels, and pennies, using $ and ¢ symbols appropriately.
  • 1.MDR.6.3 — Identify the value of quarters and compare the values of pennies, nickels, dimes, and quarters.
  • 2.MDR.6 — Solve real-life problems involving time and money.
  • 2.NR.1.2 — Count forward and backward by ones from any number within 1000. Count forward by fives from multiples of 5 within 1000. Count forward and backward by 10s and 100s from any number within 1000. Count forward by 25s from 0.

Hawaii

  • 2.MD.C.8 — Solve word problems involving dollar bills, quarters, dimes, nickels, and pennies, using $ and ¢ symbols appropriately.

Idaho

  • 2.MD.C.8 — Solve word problems involving dollar bills, quarters, dimes, nickels, and pennies (up to 10), using and ¢ symbols appropriately and whole-dollar amounts.
  • 1.MD.D.5 — Identify quarters, dimes, and nickels and relate their values to pennies. Find equivalent values (e.g., a nickel is equivalent to five pennies).
  • 2.NBT.A.2 — Count within 1,000; skip-count by fives, tens, and 100s. Identify patterns in skip counting starting at any number

Illinois

  • 2.MD.C.8 — Solve word problems involving dollar bills, quarters, dimes, nickels, and pennies, using $ and ¢ symbols appropriately.
  • MP.8 — Look for and express regularity in repeated reasoning.

Indiana

  • 2.M.6 — Find the value of a collection of pennies, nickels, dimes, quarters, and dollars. (E)
  • 1.M.3 — Identify the value of a penny, nickel, dime, and a collection of pennies, nickels, and dimes.
  • 1.NS.1 — Count to at least 120 by ones, fives, and tens from any given number. In this range, read and write numerals and represent a number of objects with a written numeral. (E)
  • 3.M.4 — Find the value of any collection of coins and bills. Write amounts less than a dollar using the ¢ symbol and write larger amounts using the symbol in the form of dollars and cents (e.g., 4.59). Solve real-world problems to determine whether there is enough money to make a purchase. (E)

Iowa

  • 2.MD.C.8 — Solve word problems involving dollar bills, quarters, dimes, nickels, and pennies, using $ and ¢ symbols appropriately. For example, if you have 3 quarters, 2 dimes and 4 pennies, how many cents do you have? For this standard, it may be appropriate to record amounts using decimals but does not include adding and subtracting with decimals.
  • 2.MD.IA.C.2 — Identify nickels, quarters and dollars and know their values. Conceptual
  • SMP2 — Reason abstractly and quantitatively.

Kansas

  • 2.MD.8 — Solve word problems involving dollar bills, quarters, dimes, nickels, and pennies, using $ and ¢ symbols appropriately (Do not use decimal point, if showing 25 cents, use the word cents or ¢). For example: If you have 2 dimes and 3 pennies, how many cents do you have?
  • 2.MD.9 — Identify coins and bills and their values.
  • MP.7 — Look for and make use of structure.

Kentucky

  • KY.1.MD.3.b — Identify the coins by values (penny, nickel, dime, quarter).
  • KY.1.MD.3 — Assign values to time and money.
  • KY.2.MD.8 — Solve word problems with adding and subtracting within 100, (not using dollars and cents simultaneously) using the $ and ¢ symbols appropriately (not including decimal notation).

Louisiana

  • 1.MD.D.5 — Determine the value of a collection of coins up to 50 cents. (Pennies, nickels, dimes, and quarters in isolation; not to include a combination of different coins.)
  • 2.MD.C.8 — Solve word problems involving dollar bills, quarters, dimes, nickels, and pennies, using $ and ¢ symbols appropriately.
  • K.MD.C.4 — Recognize pennies, nickels, dimes, and quarters by name and value (e.g., This is a nickel and it is worth 5 cents.)

Maine

  • 1.MD.D.5 — Identify the coins and each corresponding value. (e.g. penny, nickel, dime, and quarter)
  • 2.MD.C.8 — Solve word problems involving dollar bills, quarters, dimes, nickels, and pennies, using $ and ¢ symbols appropriately. Example: If you have 2 dimes and 3 pennies, how many cents do you have?
  • 2.NBT.A.2 — Count within 1000; skip-count by 5s, 10s, and 100s. Identify patterns in skip counting at any number. (For example, 37, 47, 57 or 328, 428, 528, etc.)

Maryland

  • 2.MD.C.8 — Solve word problems involving dollar bills, quarters, dimes, nickels, and pennies, using $ and ¢ symbols appropriately.
  • MP7 — Look for and make use of structure.
  • MP8 — Look for and express regularity in repeated reasoning.

Massachusetts

  • 1.MD.D.5 — Identify the values of all U.S. coins and know their comparative values (e.g., a dime is of greater value than a nickel). Find equivalent values (e.g., a nickel is equivalent to five pennies). Use appropriate notation (e.g., 69¢). Use the values of coins in the solutions of problems (up to 100¢).
  • 1.T4.7 — Give examples of choices people have to make about buying goods and services (e.g., food for the family or a video game; bus fare to get to work or a movie ticket for entertainment) and why they have to make choices (e.g., because they have only enough money for one purchase, not two).
  • 2.MD.C.8 — Solve word problems involving dollar bills, quarters, dimes, nickels, and pennies (up to 10), using and ¢ symbols appropriately and whole dollar amounts. For example, if you have 2 dimes and 3 pennies, how many cents do you have? If you have $3 and 4 quarters, how many dollars or cents do you have? (Students are not expected to use decimal notation.)

Michigan

  • 2.MD.C.8 — Solve word problems involving dollar bills, quarters, dimes, nickels, and pennies, using $ and ¢ symbols appropriately.

Minnesota

  • 2.3.3.2 — Identify pennies, nickels, dimes and quarters. Find the value of a group of coins and determine combinations of coins that equal a given amount. For example: 50 cents can be made up of 2 quarters, or 4 dimes and 2 nickels, or many other combinations.
  • 1.1.2.3 — Recognize the relationship between counting and addition and subtraction. Skip count by 2s, 5s, and 10s.
  • 1.3.2.3 — Identify pennies, nickels and dimes; find the value of a group of these coins, up to one dollar.

Mississippi

  • 1.MD.5.a — Identify the value of all U.S. coins (penny, nickel, dime, quarter, half-dollar, and dollar coins). Use appropriate cent and dollar notation (e.g., 25¢, $1).
  • 1.MD.5.c — Count like U.S. coins up to the equivalent of a dollar.
  • 2.MD.8.a — Solve word problems involving dollar bills, quarters, dimes, nickels, and pennies, using $ and ¢ symbols appropriately. Example: If you have 2 dimes and 3 pennies, how many cents do you have?
  • 1.MD.5b — Know the comparative values of all U.S. coins (e.g., a dime is of greater value than a nickel).

Missouri

  • 1.GM.C.9 — Know the value of a penny, nickel, dime and quarter.
  • 1.NS.A.4 — Count by 5s to 100 starting at any multiple of five.
  • 2.GM.D.12 — Find the value of combinations of dollar bills, quarters, dimes, nickels and pennies, using $ and ¢ appropriately.
  • 2.E.4.A.b — Demonstrate how people use money to buy and sell goods and services.

Montana

  • 2.MD.C.8 — Solve word problems involving dollar bills, quarters, dimes, nickels, and pennies, using $ and ¢ symbols appropriately.
  • MP8 — Look for and express regularity in repeated reasoning.

Nebraska

  • 1.G.3 — Time and Money: Students will solve problems with coins and tell time to the half hour.
  • 1.G.3.b — Count collections of like coins (penny, nickel, and dime) relating to patterns of counting by 1s, 5s, and 10s.
  • 1.N.2.d — Understand patterns of skip counting by 2s, 5s, and 10s.
  • 2.G.5.a — Solve problems involving dollar bills, quarters, dimes, nickels, and pennies using $ and ¢ symbols appropriately.
  • SS 2.2.2 — Demonstrate knowledge of currency, its denominations, and use.

Nevada

  • 2.MD.C.8 — Solve word problems involving dollar bills, quarters, dimes, nickels, and pennies, using $ and ¢ symbols appropriately.
  • MP8 — Look for and express regularity in repeated reasoning.

New Hampshire

  • 2.MD.C.8 — Solve word problems involving dollar bills, quarters, dimes, nickels, and pennies, using $ and ¢ symbols appropriately.
  • MP4 — Model with mathematics.

New Jersey

  • 2.MD.C.8 — Solve word problems involving dollar bills, quarters, dimes, nickels, and pennies, using $ and ¢ symbols appropriately. Example: If you have 2 dimes and 3 pennies, how many cents do you have?
  • 4 — Model with mathematics.

New Mexico

  • 2.MD.C.8 — Solve word problems involving dollar bills, quarters, dimes, nickels, and pennies, using $ and ¢ symbols appropriately.
  • 1.15 — Examine decisions that people make about spending and saving money.

New York

  • NY-2.MD.8.b — Solve real world and mathematical problems within one dollar involving quarters, dimes, nickels, and pennies, using the ¢ (cent) symbol appropriately.
  • NY-1.MD.3.b — Recognize and identify coins (penny, nickel, dime, and quarter) and their value and use the cent symbol (¢) appropriately.

North Carolina

  • NC.1.MD.5 — Identify quarters, dimes, and nickels and relate their values to pennies.
  • NC.2.MD.8 — Solve word problems involving: • Quarters, dimes, nickels, and pennies within 99¢, using ¢ symbols appropriately. • Whole dollar amounts, using the $ symbol appropriately.
  • MP.8 — Look for and express regularity in repeated reasoning.

North Dakota

  • 1.GM.M.4 — Identify and tell the value of a dollar bill, quarter, dime, nickel, and penny.
  • 2.GM.M.4 — Count collections of money (quarters, dimes, nickels, and pennies) relating to counting patterns by 1s, 5s, and 10s up to one dollar.
  • 1.GM.M.5 — Count collections of coins (pennies, nickels, and dimes) relating to counting patterns by 1s, 5s, and 10s up to one dollar.
  • 1.NO.CC.5 — Skip count forward and backward by 5s and 10s from multiples and recognize the patterns of up to 10 skip counts.

Ohio

  • 2.MD.8 — Solve problems with money.
  • 2.MD.8.a — Identify nickels and quarters by name and value.
  • 2.MD.8.b — Find the value of a collection of quarters, dimes, nickels, and pennies.
  • 1.MD.3.b — Identify pennies and dimes by name and value.

Oklahoma

  • 1.N.4.1 — Identify pennies, nickels, dimes, and quarters by name and value.
  • 1.N.4.3 — Determine the value of a collection of pennies, nickels, or dimes up to one dollar, counting by 1s, 5s, and 10s.
  • 2.N.4.1 — Determine the value of a collection of coins up to one dollar using the cent symbol.
  • 1.N.1.9 — Use words such as “more than,” “less than,” and “equal to” to describe the relative value of numbers.

Oregon

  • 2.GM.D.11 — Solve problems in authentic contexts involving dollar bills, quarters, dimes, nickels, and pennies, using $ (dollars) and c (cents) symbols appropriately.
  • K.5 — Identify forms of US money and explain how money is used.

Pennsylvania

  • CC.2.4.2.A.3 — Solve problems and make change using coins and paper currency with appropriate symbols.
  • CC.2.1.1.B.2 — Use place-value concepts to represent amounts of tens and ones and to compare two digit numbers.
  • CC.2.1.2.B.2 — Use place-value concepts to read, write, and skip count to 1000.

Rhode Island

  • 1.MD.D.5 — Identify the values of all U.S. coins and know their comparative values (e.g., a dime is of greater value than a nickel). Find equivalent values (e.g., a nickel is equivalent to 5 pennies). Use appropriate notation (e.g., 69¢). Use the values of coins in the solutions of problems (up to 100¢).
  • 2.MD.C.8 — Solve word problems involving dollar bills, quarters, dimes, nickels, and pennies (up to 10), using and ¢ symbols appropriately and whole dollar amounts. For example, if you have 2 dimes and 3 pennies, how many cents do you have? If you have $3 and 4 quarters, how many dollars or cents do you have? (Students are not expected to use decimal notation.)

South Carolina

  • 1.NSBT.1b — Extend the number sequence to count by fives and tens to 100, starting at any number.
  • 2.MDA.7 — Solve real-world/story problems involving dollar bills using the $ symbol or involving quarters, dimes, nickels, and pennies using the ȼ symbol.
  • 1.MDA.6 — Identify a penny, nickel, dime and quarter and write the coin values using a ȼ symbol.
  • 1.NSBT.3 — Compare two two-digit numbers based on the meanings of the tens and ones digits, using the words greater than, equal to, or less than.

South Dakota

  • 2.MD.C.8 — Identify and count coins and bills and apply that understanding to solve word problems.
  • 2.MD.C.8.a — Recognize and know the value of coins up to one dollar.
  • 1.MD.B.5 — Identify nickels and understand that five pennies can be thought of as a nickel. Identify dimes and understand ten pennies can be thought of as a dime. Count the value of a set of coins comprised of pennies, nickels, and dimes.
  • 2.MD.C.8.b — Solve word problems involving dollar bills, quarters, dimes, nickels, and pennies, using $ and ¢ symbols appropriately.

Tennessee

  • 1.MD.B.4 — Count the value of a set of like coins less than one dollar using the ¢ symbol only.
  • 2.MD.C.8 — Solve contextual problems involving amounts less than one dollar including quarters, dimes, nickels, and pennies using the ¢ symbol appropriately. Solve contextual problems involving whole number dollar amounts up to 100 using the symbol appropriately.
  • K.MD.B.3 — Identify the penny, nickel, dime, and quarter based on their attributes (size and color) and recognize the value of each.
  • 1.NBT.A.1 — Count to 120, by ones, twos, and fives starting at any multiple of that number. Count backward from 20. Read and write numbers to 120 and represent a quantity of objects with a written number.

Texas

  • 1.4A — identify U.S. coins, including pennies, nickels, dimes, and quarters, by value and describe the relationships among them;
  • 1.4C — use relationships to count by twos, fives, and tens to determine the value of a collection of pennies, nickels, and/or dimes.
  • 2.5A — determine the value of a collection of coins up to one dollar; and
  • 1.2E — use place value to compare whole numbers up to 120 using comparative language;

Utah

  • 1.MD.5 — Identify the values of pennies, nickels, dimes and quarters and know their comparative values. (For example, a dime is of greater value than a nickel.) Use appropriate notation to designate a coin’s value. (For example, 5¢.)
  • 2.MD.8 — Solve word problems involving dollar bills, quarters, dimes, nickels, and pennies, using $ and ¢ symbols appropriately. For example, if you have 2 dimes and 3 pennies, how many cents do you have?
  • 2.NBT.2 — Count within 1,000; skip-count by fives, tens, and hundreds.

Vermont

  • 2.MD.C.8 — Solve word problems involving dollar bills, quarters, dimes, nickels, and pennies, using $ and ¢ symbols appropriately.
  • MP8 — Look for and express regularity in repeated reasoning.

Virginia

  • 1.NS.1g — Count by ones, fives, or tens to determine the value of a collection of like coins (pennies, nickels, or dimes), whose total value is 100 cents or less.
  • 2.NS.4 — The student will solve problems that involve counting and representing money amounts up to $2.00. Students will demonstrate the following Knowledge and Skills:
  • 2.NS.4a — Identify a quarter and its value and determine multiple ways to represent the value of a quarter using pennies, nickels, and/or dimes.
  • 2.NS.1c — Describe and use patterns in skip counting by multiples of 2 (to at least 50), and multiples of 5, 10, and 25 (to at least 200) to justify the next number in the counting sequence.

Washington

  • 2.MD.C.8 — Solve word problems involving dollar bills, quarters, dimes, nickels, and pennies, using $ and ¢ symbols appropriately.
  • MP4 — Model with mathematics.

Washington, D.C.

  • 2.MD.C.8 — Solve word problems involving dollar bills, quarters, dimes, nickels, and pennies, using $ and ¢ symbols appropriately.
  • 2.OA.A.1 — Use addition and subtraction within 100 to solve one- and two-step word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using drawings and equations with a symbol for the unknown number to represent the problem.

West Virginia

  • M.1.18 — Identify the value of coins and use dimes and pennies to model the relationship between money and place value (e.g., exchange 10 pennies for 1 dime or exchange 10 dimes for 1 dollar).
  • M.2.22 — Solve word problems involving dollar bills, quarters, dimes, nickels, and pennies, using $ and C symbols appropriately (e.g., If you have 2 dimes and 3 pennies, how many cents do I you have?).
  • M.K.18 — Identify coins: penny, nickel, dime, quarter.

Wisconsin

  • M.2.MD.C.8 — Solve word problems involving dollar bills, quarters, dimes, nickels, and pennies, using $ and ¢ symbols appropriately.

Wyoming

  • 1.MD.I.3.B — Identify U.S. coins by value (pennies, nickels, dimes, quarters).
  • 2.MD.H.8 — Solve word problems up to 10 involving dollar bills, quarters, dimes, nickels, and pennies, using (dollars) and ¢ (cents) symbols appropriately.
  • SS2.3.2 — Identify how price may affect buying, selling, and saving decisions. 2.MD.8 CV5.1.1