Complete the Equation
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Decompose
Decompose
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Word Problems
100
6 x 9 = ____ x 6
9
100
True or False:
3 x 9 = 5 x 2 + 4 x 1
False - only 1 number will be decomposed
100
6 x 2 = 12 so 6 x 4 = ____
24
100
What is this equation?
6 x 4 = 24
100
Nahum makes 25 groups of markers. He has 1 marker in each group. How many markers does Nahum have?
25 x 1 = 25
Nahum has 25 markers.
200
___ x 5 = 45
9
200
True or False:
3 x 9 = 3 x 5 + 3 x 4
True
200
3 x 9 = 27 so 6 x 9 = ___
54
200
What's the answer?
7 x 10 = __
70
200
Edgar 9 packages of erasers with 3 erasers in each package. How many erasers does Edgar buy in all?
9 x 3 = 27
Edgar buys 27 erasers in all.
300
6 x 9 = 3 x __ + 3 x __
9
6 is being decomposed so 9 stays the same
300
True or False:
3 x 9 = 2 x 9 + 1 x 9
True
300
8 x 4 = 32 so 8 x 8 = ___
64
300
How can you decompose this array?
4 x 1 + 4 x 3 or 4 x 2 + 4 x 2
300
Brianna and Bri buy beads to make necklaces. They buy 5 bags of glittery beads. Each bag cost $8. How much do they spend on beads?
5 x 8 = 40
Brianna and Bri spend $40 on beads
400
48 = 6 x ___
8
400
True or False:
3 x 9 = 2 x 1 + 9 x 1
False - 3 is decomposed so 9 needs to be in each multiplication equation
400
3 x 4 = 12 so 9 x 4 = ___
36
400
What is one way to decompose this array?
1 x 7 + 3 x 7 or 2 x 7 + 2 x 7
400
Imanol buys 8 packages of stickers with 3 stickers in each package. How many packages does Imanol buy in all?
8 x 3 = 24
Imanol buys 24 stickers in all.
500
8 x 9 = 8 x __ + 8 x __
8 and 1 or 2 and 7 or 3 and 6 or 4 and 5
8 stayed the same so you need to decompose 9
500
Decompose 4 x 9 =
2 x 9 + 2 x 9 or 4 x 4 + 4 x 5
500
2 x 8 = 16 so 6 x 8 = ___
48
500
Fill in the blank?
I can see 5 rows of 6. I can break the array apart to see a 5 x __ and a 1 x __.
5 - 6 is being decomposed so the 5 stays the same
500
Each store in the company has 7 drink machines. There are 9 stores in the company. How many drink machines are there in all?
7 x 9 = 63
There are 63 drink machines in all.