Arrays
Model an array for 2 rows of 4
X X X X
X X X X
Write a multiplication sentence to represent this array:
3 X 5 = 15
Write a division sentence from this multiplication equation.
2 X 9 = 18
18 / 2 = 9 OR 18 / 9 = 2
Ryland arranges all the desks in his classroom into 5 equal groups of 3. How many desks are in his classroom? Show an array and multiplication sentence in your work.
X X X Multiplication sentence:
X X X 5 X 3 = 15
X X X
X X X
X X X
Write a multiplication sentence to represent:
3 + 3 + 3 + 3 = 12
4 X 3 = 12
Model an array for 5 rows of 3
X X X
X X X
X X X
X X X
X X X
Write a multiplication sentence to represent this array:
❌ ❌ ❌ ❌
❌ ❌ ❌ ❌
❌ ❌ ❌ ❌
❌ ❌ ❌ ❌
❌ ❌ ❌ ❌
5 X 4 = 20
Write a division sentence from this multiplication equation.
3 X 7 = 21
21 / 3 = 7
or
21 / 7 = 3
**2 parts!!
Emmy buys bottles of soap. Each bottle costs $2.
a. How much money does Emmy spend if she buys 3 bottles of soap?
____ X ____ = $___
b. How much money does Emmy spend if she buys 6 bottles of soap?
____ X ____ = $___
a. 2 X 3 = $6.00
b. 2 X 6 = $12.00
Write a multiplication sentence to represent:
2 + 2 + 2 + 2 + 2 = 10
5 X 2 = 10
**2 part question
1. Model an array to show 6 rows of 4.
2. Write a multiplication sentence to match your array.
X X X X Multiplication sentence:
X X X X 6 X 4 = 24
X X X X
X X X X
X X X X
X X X X
Write a multiplication sentence to represent this array:
❌ ❌
❌ ❌
❌ ❌
❌ ❌
❌ ❌
❌ ❌
❌ ❌
❌ ❌
❌ ❌
9 X 2 = 18
What is the quotient of:
20 / 5 =
4
**2 parts
Leon organizes stickers on a page in her sticker book. He arranges them in 4 rows of 5 columns.
a. Draw an array to show Leon's stickers.
b. Use your array to write a multiplication sentence to find Leon's total number of stickers.
____ X ____ = ____
a.
X X X X X
X X X X X
X X X X X
X X X X X
b. 4 X 5 = 20
Write a multiplication sentence to represent:
7 + 7 + 7 = 21
3 X 7 = 21
Draw an array that shows 8 rows of 4. Write a multiplication sentence to represent the array, and circle the factor that represents the number of rows.
X X X X Multiplication sentence:
X X X X 8 X 4 = 32
X X X X ^
X X X X
X X X X
X X X X
X X X X
X X X X
Write a multiplication sentence to represent this array:
❌ ❌ ❌ ❌ ❌ ❌
❌ ❌ ❌ ❌ ❌ ❌
❌ ❌ ❌ ❌ ❌ ❌
❌ ❌ ❌ ❌ ❌ ❌
❌ ❌ ❌ ❌ ❌ ❌
5 X 6 = 30
What is the quotient of:
54 / 6 =
9
Rory makes 21 jars of tomato sauce. She puts 7 jars in each box to sell at the market. How many boxes does Rory need?
21 / 7 = ___
__ x 7 = 21
What is the meaning of the unknown factor and quotient? __________
21 / 7 = 3
3 x 7 = 21
The meaning of the unknown factor and quotient is the number of groups OR boxes.
Write a multiplication sentence to represent:
8 + 8 + 8 + 8 = 32
4 X 8 = 32
Draw an array that shows 7 rows of 6. Write a multiplication sentence, and circle the factor that represents the size of the row.
X X X X X X Multiplication sentence:
X X X X X X 7 X 6 = 42
X X X X X X ^
X X X X X X
X X X X X X
X X X X X X
X X X X X X
Write the products for the following multiplication equations:
1. 5 X 6 =
2. 9 X 5 =
3. 6 X 4 =
1. 30
2. 45
3. 24
What is the quotient of:
48 / 4 =
12
Draw an array to solve 7x4. Use the distributive property. Ms. Poppy has 5 rows of 4 red apples and 2 rows of 4 green apples. How many apples does Ms. Poppy have in all?
Write a multiplication sentence to represent:
9 + 9 + 9 + 9 = 34
3 X 9 = 34