Curriculum  /  Math  /  2nd Grade  /  Unit 4: Place Value with Numbers to 1,000 & Money  /  Lesson 19

Place Value with Numbers to 1,000 & Money

Lesson 19

Math

Unit 4

2nd Grade

Lesson 19 of 22

Objective

Make change from a dollar and make a dollar with coins.

Student-Facing

I can make change and make a dollar with coins.

Common Core Standards

Core Standards

  • 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.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.

Foundational Standards

  • 1.NBT.C.4
  • 1.OA.A.1
  • 1.OA.D.8

Criteria for Success

  1. Understand that a dollar is the same as 100 cents.
  2. Subtract from 100 to find the remainder and show remainder in a coin collection.
  3. Add to make 100 and show additional amount as a coin collection.

Tips for Teachers

Students will be adding to make 100 and subtracting from 100 in this lesson. If students need additional support as part of the warm-up complete a review of adding to a 100 and subtracting from a hundred with generalizable methods.

Warm Up

5-10 minutes

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Anchor Tasks

15-25 minutes

Problem 1

Shaila has 3 quarters and some dimes and nickels and she wants to exchange her coins for a dollar bill. What value of dimes and nickels will Shaila need to use to be able to have a dollar in coins to exchange for a dollar bill?

Show your thinking with pictures, numbers, or words.

Purpose

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Problem 2

Dr. Chang used a dollar bill to buy his coffee before work. His coffee was 85¢. How much change did he get back? Show a coin combination he might have received.

Purpose

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Problem 3

Maxine wants to bring a dollar to school for the class store. She has 74¢ in her pocket. In her piggy bank, she has enough coins to add to her 74¢ to make a dollar. 

a.   How much money does Maxine need to take from her piggy bank to make a dollar? Show a possible coin combination she could take.

b.   At the class store, students can use their money to buy only 2 items. Pick 2 items Maxine could choose and determine how much money she will have left after paying for her items. Show a possible drawing of the money she has left.

Item Price
smelly pencil 26¢
sticker sheet 32¢
fancy eraser 24¢
fruit snack 25¢
treasure chest pick 35¢

Purpose

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Problem Set

15-20 minutes

Target Task

5-10 minutes

Problem 1

Abdullah bought a bookmark from the book fair for 72 cents. He paid with a 1 dollar bill.

a.   How much change did he get back?

b.   Draw a combination of coins he could have gotten back.

Student Response

Problem 2

Cynthia wants to buy an ice cream for $1 from the snack bar. She has 55 cents.

a.   How much more money does she need to be able to buy an ice cream?

b.   Draw a combination of coins she would need to add to her 55 cents to make a dollar.

Student Response

Additional Practice

Daily Word Problems, Warm Ups, and Center Activities are aligned to the content of the unit but not necessarily to the lesson objective, therefore feel free to use them anytime during your school day.

Word Problems and Fluency Activities

Next

Solve word problems with money situations.

Lesson 20
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Lesson Map

A7CB09C2-D12F-4F55-80DB-37298FF0A765

Topic A: Understanding and Representing Three Digit Numbers

Topic B: Reasoning with Numbers to 1000

Topic C: Place Value in Action - Money and Word Problems

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