Tammy worked 8 hours a day. During the week, she worked 40 hours. How many days did Tammy work?
5 days
What number makes the equation true?
18 / ? = 9
2
Which equations can be represented by the fact triangle? Choose all that apply!
A: 2 x 7 = 14
B: 14 - 7 = 2
C: 14 / 2 = 7
D: 14 / 7 = 2
E: 2 x 14 = 7
F: 7 + 7 = 14
G: 7 x 2 = 14
A, C, D, G
A pack of 24 crayons is shared equally among 3 friends. Which equations can be used to determine the number of crayons each friend is given? Choose all that apply!
A: 24 / 3 = ?
B: 24 - 3 = ?
C: 3 / ? = 24
D: 3 x ? = 24
A and D
? x 3 = 27
9
Ryan has 20 stickers that he plans to share with is friends. If he gives each friend 4 stickers, how many friends get stickers?
A: 16
B: 10
C: 5
D: 6
C: 5
Complete the equation.
45 / 9 = ?
A: 4
B: 5
C: 6
D: 7
B: 5
Which related multiplication equations can help you find the quotient for 80 / 10 = ?
A: 80 = ? x 10
B: 80 x 10 = ?
C: 10 x ? = 80
D: 10 = 80 x ?
A and C
How can you use a fact triangle to find a related multiplication equation and the unknown number? Complete the equations and draw a fact triangle!
12 / 3 = ?
3 x ? = ?
12 / 3 = 4
3 x 4 = 12
? x 10 = 50
5
Travis brings 16 quarts of water to share at soccer practice. If there are 4 quarts in every gallon, how many gallons did he bring to practice?
A: 5
B: 4
C: 3
D: 6
B: 4
Complete the equations.
28 / 7 = ?
42 / 7 = ?
35 / 7 = ?
56 / 7 = ?
4
6
5
8
How can you write an unknown factor problem for the division equation 54 / 9 = ?
___ = ___ x ?
54 = 9 x ?
Noah buys packs of pencils for 5 friends. He buys 5 packs. Which related division and multiplication equations can Noah use to find the number of packs of pencils he gives each friend? Choose all that apply!
A: 0 / 5 = 0 and 5 x 0 = 0
B: 5 / 1 = 5 and 5 x 1 = 5
C: 0 / 5 = 0 and 0 x 5 = 0
D: 5 / 5 = 1 and 1 x 5 = 5
B and D
25 = 5 x ?
5
Kelly needs to buy 24 erasers. They come in bags of 6. How many bags does Kelly need to buy?
A: 4
B: 3
C: 2
D: 5
A: 4
Teron sells jars of honey for $8 each. He sells $64 worth of honey. How many jars of honey did Teron sell?
8 jars
Find the unknown. Describe the strategy you used.
9 x 9 = ?
81
Array, equal groups, skip count, distributive property
Carol divides 24 cookies into 8 equal groups. She writes the division equation 24 / 8 = ?. Which related multiplication equations can she use to find the unknown? Choose all that apply!
A: 14 = 2 x ?
B: 14 x 2 = ?
C: ? = 2 x 14
D: ? x 2 = 14
A and D
How can you decompose 8 x 9 to find the product? Choose all that apply!
A: 4 x 5 + 4 x 4
B: 4 x 9 + 4 x 9
C: 2 x 9 + 2 x 9
D: 8 x 5 + 8 x 4
B and D
Kenji bought 21 books to add to his home library. The books came in sets of 7. How many sets of books did Kenji buy?
3 sets
Which equations are true? Choose all that apply!
A: 8 / 1 = 1
B: 0 / 4 = 0
C: 1 = 7 / 7
D: 0 = 5 / 0
E: 9 = 9 / 1
F: 2 / 0 = 0
B, C, E
Find the unknown. Describe the strategy you used.
49 / 7 = ?
7
Array, equal groups, skip count, distributive property
Write two related division equations for the multiplication fact.
8 x 4 = 32
32 / 4 = 8
32 / 8 = 4
How can you decompose 6 x 7 to find the product? Choose all that apply!
A: 6 x 5 + 6 x 2
B: 3 x 5 + 3 x 2
C: 3 x 7 + 3 x 7
D: 6 x 2 + 6 x 2
A and C