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# Fact Families Unit (Related Addition and Subtraction)

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3.9
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1.09 MB   |   25 pages

### PRODUCT DESCRIPTION

Everyone! Page 7 had a mistake. If you purchased this activity, you may want to download the new revised copy. It is free now. I appologize for the mistake. I made my copy black and white because I just copied the crayons on colored paper. I only used color for the boxes. When I revised for TpT, I put everything in color and put the crayons in better order. I messed and did not catch it.

The theme for this fact family is crayons. I love to use fact families to help students understand the communitive property of addition and subtraction. It also helps kids memorize the facts.

There are 25 pages in this unit. Included is a title page, directions, Common Core Standards, one center game, 10 worksheets. There are two worksheets that requires children put the related facts together. There are also 4 one timed worksheets using only related facts, and 4 problem solving (unknown numbers) worksheets. I always worked the story problems with the children. I am a fan of Singapore Math, so we drew pictures on the back of the worksheets.

The center game includes crayons boxes and crayons. There are 3 numbers on each box. Students must match the related facts to the boxes.

Common Core Standards for this unit are:

•CCSS.Math.Content.1.OA.B.3 Apply properties of operations as strategies to add and subtract

•CCSS.Math.Content.1.OA.B.4 Understand subtraction as an unknown-addend problem.

•CCSS.Math.Content.1.OA.C.6 Add and subtract within 20, demonstrating fluency for addition and subtraction within 10. using the relationship between addition and subtraction (e.g., knowing that 8 + 4 = 12, one knows 12 – 8 = 4);

CCSS.Math.Content.1.OA.B.4 Understand subtraction as an unknown-addend problem.

CCSS.Math.Content.2.OA.B.2 Fluently add and subtract within 20 using mental strategies. By end of Grade 2, know from memory all
sums of two one-digit numbers.

This unit relates to first and second grade skills, but many third graders still need help with basic addition and subtraction facts, so I think third graders could use this unit.

This is just a small sample of the activities that I have made for fact families. I thought 25 pages was enough. Therefore, you can see how much I success I have had with using this strategy.

Total Pages
25
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Teaching Duration
N/A

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