Lesson 1.1 (Taking Apart Numbers and Shapes)

​Lesson 1.1

Taking Apart Numbers and Shapes​

Key Terms:

• Numerical Expression

• Equation

• Distributive Prope

Some text here about the topic of discussion

​Fill in the missing addend in each box that makes the equation true:

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For example: 8(____ + 5) = 80 + 40

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What belongs in the blank?​

​Rewrite a factor as a sum of 2 terms in each expression and use the Distributive Property to verify each product.

For example:

6 x 18 = 108

(6 x 10) + (6 x 8) = 108 OR 6(10) + 6(8)​ = 108

What's the difference in both equations?​

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Multiple Choice

#4 a. 4 x 17 = 68

• (4 x 10) + 7 = 68

• (4 x 10) + (4 + 7) = 68

• (4 x 10) + (4 x 7) = 68

• (4 + 10) x (4 + 7) = 68

Multiple Choice

#4 b. 9 x 34 = 306

• 9(30) + 9(4) = 306

• 9(3) + 9(4) = 306

• 9(30) + 36 = 306

Multiple Choice

#4 c. 3 x 29 = 87

• (3 x 2) + (3 x 9) = 87

• (3 x 20) + (3 x 9) = 87

• (3 x 20) x (3 x 9) = 87

Multiple Choice

TRUE OR FALSE: 3(2 + 4) = 3 x 2 + 4

• TRUE

• FALSE

Multiple Choice

TRUE OR FALSE: 6(10 + 5) = 6 x 10 + 6 x 5

• TRUE

• FALSE

Multiple Choice

TRUE OR FALSE: 7(20 + 8) = 7 + 20 X 8

• TRUE

• FALSE

Multiple Choice

TRUE OR FALSE: 4(5 + 10) = 20 + 10

• TRUE

• FALSE

Multiple Choice

TRUE OR FALSE: 2(6 + 11) = 12 + 22

• TRUE

• FALSE