Unit 2

Multiplication

division

Can it equal 4

Mystery

Make an array

100

Which multiplication fact does the problem represent? (7x2)+(7x4)=?

7x6=42

100

36/ 9= ?

9x ?= 36

36/9=4

9x4=36

100

0x4= ?

0x4= 0 (no)

100

Write a multiplication equation that could be used for the table.

Monday: 7

Tuesday: 7

Wednesday: 7

3x7=21

100

4x8=?

4x8=32

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200

Complete the fact family:

3,9, 27

3x9=27

9x3=27

27/ 3= 9

27/ 9= 3

200

Explain how you can use multiplication to find 24/6. Then solve the problem.

I can think 6x something=24, so I used a fact family and knew 6x4=24

200

4x?=16

4x4=16 (yes)

200

complete the fact family

3, ?, 21

3x7=21

7x3=21

21x7=3

21x3=7

200

6x4=?

6x4=24

xxxx

300

the art classroom has 10 tables. 4 students can sit at each table. Scotty says he can find the number of students because he knows 10x4. What is another multiplication problem he could use? Explain.

4x10 because the order of the factors does not change the product.

300

Which are true:

1. 36 is a factor of 6

2. 36 is a multiple of 6

3. 6 is a multiple of 60

4. 6 is a factor of 60

5. for every factor of 6, 6 is a multiple of that number.

6. for every multiple of 6, 6 is a factor of that number

2, 4, 6

300

28/7= ?

28/7= 4 (yes)

300

Which expression can be used to find the product of 6, 5, and 2?

1. (5x6)x2 4. (5+2)x6

2. 6+(5 +2) 5. 5x(6x2)

3. (6+2)x 5 6. (2x5)x6

1. (5x6)x2

5. 5x(6x2)

6. (2x5)x6

300

5x7=?

5x7=35

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400

6x8=48

48 is a multiple of ____and____

6 and 8

400

Make a word problem that uses 30/ 5=?

Estella has 30 apples. She puts them into 5 bowls. How many apples are in each bowl.

400

?x8=24

3x8=24 (no)

400

Which expressions equivalent to the product of 5 and 8?

1. 5x4 +4 4. (5x5) + (5x3)

2. (1+4)x8

3. (5x5) + (5x3)

5x8=40

1. 5x(4+4)=40

2. (1+4)x8= 40

3. (5x5) + (5x3)=40

400

3x11=?

3x11=33

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500

Elijah finds 3x6 by breaking apart 6. Complete the equation to show your work.

3x6=?

(3x 2)+(3x____)=____

(3x 2)+(3x 4)=18

500

Describe how you can model 36/4=9 using equal groups. Explain how 4 means something different in each model.

36/4=9 can be 4 equal groups of 9 or 9 equal groups of 4. In the first model, 4 is the number of groups. the second model has 4 in each group.

500

36/9=?

36/9=4 (yes)

500

Lily practices 6 weeks for a dance competition. She practices 2 hours each day. She practices 4 days each week. What is the total number of hours she practices?

2x4=8

8x6=48 hours

500

4x12=?

4x12=48

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