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UNIT 5
CHAPTER 18
Lesson 18-2
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CHAPTER 18 SUBTRACTION STRATEGIES AND FACTS TO 18
Lesson 18-2 Use Doubles to Subtract
Add or subtract. Then draw a line to match the related facts.
Patterns
13.
Draw the missing dots to make a double.
Then write the related fact.
_______ + _______ = _______
_______ - _______ = _______
Your child used doubles to subtract.
Activity:
Write several subtraction facts such as
, on separate cards. Ask your child to write the doubles fact that helps solve the problem. Have your child use stacks of pennies to show the facts.
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