Unit: Addition and Subtraction Facts

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Unit Description

A unit on learning addition and subtraction facts. Using addition to show combining numbers and subtraction to show comparison (how much more), equalizing (how much more is needed), and separation (how much is remaining).

Lessons

Introduction to Addition Resources: 2

To introduce students to the meaning of the addition sign and equal sign. SWBAT identify the addends, equal sign, addition sign, sum, and solve an addition problem.

3,934
Introduction to Addition Strategies Resources: 1

Introduce multiple addition strategies such as tallies, fingers, pictures, numbers, mental math, etc.

6,622
Addition Strategies: Base Ten Blocks Resources: 1

Understand and use base ten blocks to solve addition equations.

8,872
Addition Strategies: Doubles Plus One Resources: 2

SWBAT use the doubles + 1 addition strategy.

10,004
Addition Speed Tricks Resources: 2

SWBAT use multiple strategies when adding numbers.

2,405
Introduction to Subtraction Resources: 2

SWBAT describe and create subtraction sentences

4,732
Subtraction Strategies- Comparing Resources: 2

SWBAT use subtract to solve comparison word problems

4,287
Subtraction Strategies- Subtraction as Equalizing Resources: 2

SWBAT to use subtraction to solve equalizing word problems

1,408
Subtraction Strategies- Part of a Whole Resources: 2

SWBAT use subtraction to solve a "part of a whole" word problem

3,864
Fact Families Resources: 3

SWBAT to create fact families

7,792
Solving Open Number Sentences Resources: 2

SWBAT use fact families to solve open number sentences and word problems.

6,966
Assessment Resources: 1

823

Unit Resources

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