Distributive Property
4 x 7 = 4 x ______ + 4 x _________
4 x 7= 4 x _5_ + 4 x __2__
4 x 7 = 20 + 8
4 x 7 = 28
What number completes the equation?
3 x 10 = 10 x ____
3
What number completes the equation? Draw an array to find the unknown number.
24= 3 x ________
@@@ 8 in each row. Answer is 8
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Use the 2's fact to find the unknown
4 x 5 = _____
Break apart the 4 into two 2's facts
2 x 5 = 10
2 x 5= 10
10 + 10 = 20
8 x 6
4 x 6 =24
4 x 6=24
Answer is 48
What number makes the equation true?
? x 7 = 3 x 7 + 3 x 7
? = 6
3 x _____ = 6 x 3
6
4 x ______ = 32
Find the unknown number and draw an array.
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6 x 4 = ?
Decompose the factor 6 into 2 different equations.
5 x 4= 20
1 x 4 = 4
20 + 4 = 24
How can you decompose a factor to find the product of 7 x 8? Choose all that apply
A.) 2x3+5x5 B.) 7x3+7x5
C.) 4x4+3x4 D.) 7x4+7x4
B and D
Fill in the blanks to complete the equations
5 x 9 = 5 x ____ + 5 x ______
5 x __6___ + 5 x __3____
30 + 15 = 45
7 x _____= 5 x 7
5
4 x _____= 28
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How can you use the 3's facts to find the unknown?
6 x 9 = ?
3 x 9 = 27
3 x 9 = 27
54
9 x 7
63
How can you decompose 9 x 6?
9 x 6 = 6 x 5 + 6 x 4
9 x 6 = 30 + 24
9 x 6 = 54
9 x 4 = _____ x 9
4
30 = ____ x 6
Find the unknown. Draw an array.
^^^^^^ Answer is 5
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27 = 3 x 9 _____= 9 x 6
Use 3's fact to decompose.
9 x 3=27
9 x 3= 27
54
Alex arranges his rock collection in 9 rows with 4 rocks in each row. How can you use a 5's fact to dinf how many rocks Alex has in all?
Array- decomposing 9 into 4 and 5 then showing 4x4=16 5x4 =20 and 16+20 =36
What number makes the equation true?
1 x 9 + 5 x 9 = 9 x ?
? = 6
6 x 4 = _____ x 6
4
12 = _____ x 2
Find the unknown. Draw an array
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Answer is 6
Use 2's and 4' fact to complete the 8's fact
4 x 9
2 x 9
2 x 9
18 + 18= 32
How can you decompose using 5's facts to determine the product of 7 x 8?
2x8= 16
5x8=40
16+40=56
7x8=56