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Chapter 5: Addition and Subtraction Relationships
Chapter 5 Essential Question:
How can relating addition and subtraction help you learn and understand facts within 20?
Chapter 5 Objectives:
Students will...
- Solve addition and subtraction problem situations using the strategy make a model.
- Record related facts within 20.
- Identify related addition and subtraction facts within 20.
- Apply the inverse relationship of addition and subtraction.
- Use related facts to determine unknown numbers.
- Use a related fact to subtract.
- Choose an operation and strategy to solve an addition or subtraction word problem.
- Represent equivalent forms of numbers using sums and difference within 20.
- Determine if an equation is true or false.
- Add and subtract facts within 20 and demonstrate fluency for addition and subtraction within 10.
GO Math! is Online
Resources are available to support your child's learning in our Math Program. Just click the link to log in: https://www-k6.thinkcentral.com. Be sure to use your child's unique username and password.
iTools Primary
Please use the attached link to access hands-on manipulatives...https://www-k6.thinkcentral.com/content/hsp/math/hspmath/na/common/itools_pri_9780547584973_/index.html. These tools are a great way to model and act out math!
Interactive Student Edition-This is a great way to preview or review the math skills for the chapter!
- Lesson 5.1- Problem Solving: Add or Subtract
- Lesson 5.2- Hands On: Record Related Facts
- Lesson 5.3- Identify Related Facts
- Lesson 5.4- Use Addition to Check Subtraction
- Lesson 5.5- Hands On: Algebra-Unknown Numbers
- Lesson 5.6- Algebra: Use Related Facts
- Lesson 5.7- Choose an Operation
- Lesson 5.8- Hands On: Algebra-Ways to Make Numbers to 20
- Lesson 5.9- Algebra: Equal and Not Equal
- Lesson 5.10- Basic Facts to 20
Math On the Spot Videos-Cute videos that model problems within each lesson.
- Lesson 5.1- Problem Solving: Add or Subtract
- Lesson 5.2- Hands On: Record Related Facts
- Lesson 5.3- Identify Related Facts
- Lesson 5.4- Use Addition to Check Subtraction
- Lesson 5.5- Hands On: Algebra-Unknown Numbers
- Lesson 5.6- Algebra: Use Related Facts
- Lesson 5.7- Choose an Operation
- Lesson 5.8- Hands On: Algebra-Ways to Make Numbers to 20
- Lesson 5.9- Algebra: Equal and Not Equal
- Lesson 5.10- Basic Facts to 20
Animated Math Models-Practice some of your math skills with Curious George!
Mega Math Games-Fun games that reinforce concepts taught within the chapter.
- Lesson 5.2, 5.3, 5.5- Country Countdown, Counting Critters- Level U
- Lesson 5.4- Country Countdown, Counting Critters- Level T
- Lesson 5.5- Numberopolis, Carnival Stories- Level N
- Lesson 5.5- Ice Station Exploration, Arctic Algebra- Level A
- Lesson 5.6- Country Countdown, Counting Critters- Level U
- Lesson 5.6- Numberopolis, Carnival Stories- Level N
- Lesson 5.6- Ice Station Exploration, Arctic Algebra- Level A
- Lesson 5.7- Numberopolis, Carnival Stories- Level M
- Lesson 5.8, 5.9- Country Countdown, Harrison's Comparisons- Level H
- Lesson 5.10- Country Countdown, Counting Critters- Level U