Curriculum  /  Math  /  2nd Grade  /  Unit 4: Place Value with Numbers to 1,000 & Money  /  Lesson 21

Place Value with Numbers to 1,000 & Money

Lesson 21

Math

Unit 4

2nd Grade

Lesson 21 of 22

Objective

Solve two-step word problems with money situations.

Student-Facing

I can solve two-step story problems about money.

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. Solve two-step word problems involving money situations with addition and subtraction.
  2. Represent word problems using equations and tape diagrams.
  3. Use addition and subtraction to solve within 100.

Tips for Teachers

As with the previous lesson students will see problem types they have seen before but now with the context of money. Today’s lesson will focus on two-step word problems.

Warm Up

5-10 minutes

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Anchor Tasks

15-25 minutes

Problem 1

Three friends are comparing the money they raised for their class fundraiser. Tyrone raised $55, Alyssa raised $37, and Nicolas raised $29. How much less money did Tyrone raise than Nicolas and Alyssa combined?

Purpose

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Problem 2

Lacey is saving up to buy a science experiment kit from the store. She has $32 saved and her aunt gives her $20 more. After going to the store she buys the kit and has $11 left. How much did she spend on the science experiment kit?

Purpose

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Problem Set

15-20 minutes

Target Task

5-10 minutes

On Sam’s birthday he is given a $20 gift card to Target. His aunt gives him another $10 gift card. At Target he buys some Pokemon cards and has $12 left. How much did he spend on Pokemon cards?

Show your work using drawing, numbers, and or words. 

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 two-step word problems with add to change unknown and take from change unknown.

Lesson 22
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Lesson Map

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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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