Find the Unknown/Fact Family
Choose the equation whose unknown number is 7.
a. 35 ÷ __ = 7
b. 21 = __ ÷ 3
c. 24 ÷ 3 = __
d. 28 ÷ 4 = ___
b
Choose all the expressions equal to 5 x 6.
a. 6 x 5
b. 6 + 6 + 6 + 6 +6
c. 5 + 5 + + 5 + 5 + 5 + 5
d. 5 + 6
Mickey bought 63 mechanical pencils. If there are 9 mechanical pencils in each pack, how many packs did he buy?
a. 72
b. 7
c. 54
d. 8
b. 7
Put these in standard form:
a. 18 tens
b. 5 groups of 8 tens
b. 45
Choose the unknown that completes that family.
8 x ___ = 56
___ x 8 = 56
56 ÷ ___ = 8
56 ÷ 8 = ___
7
Itzamar had 55 pieces of paper. She dealt them evenly into 5 piles. How many papers were placed in each pile?
a. 60
b. 11
c. 50
d. 10
b. 11
a. Round 575 to the nearest ten.
b. Round 575 to the nearest hundred.
a. 580
b. 600
There are 8 hamburger buns in a bag. How many hamburger buns are in 6 bags?
48 hamburger buns
Juanita runs laps each day. She ran two laps the first day. She ran four laps on the second day. If this pattern continues, how many laps will she run on the sixth day? Complete the table.
Day: 1 2 3 4 5 6
Lap: 2 4 ___ ___ 10 ___
6, 8, 12
Aiden has 5 bags of carrots. Each bag has 30 carrots in it. Aiden thinks there are 35 carrots altogether.
This is his work:
5+ 30 =35
a. Explain Aiden's error (mistake) and what he should do to find the correct number of carrots.
b. How many carrots does Aiden have?
a. Aiden should have divided 30 by 5 to find the correct number of carrots.
b. Aiden has 7 carrots.
Mackenzie arranged 30 pennies in an array.
For each description of an array, choose YES or NO to show if it could describe Mackenzie's array.
1. The array has 5 rows and 3 columns. Y N
2. The array has 10 rows and 3 columns. Y N
3. The array has 3 rows and 9 columns . Y N
4. The array has 20 rows and 10 columns. Y N
NO
YES
NO
NO
On Monday, Mrs. Podesta gave Charli 2 pieces of cookies. Each day she gave her 2 more pieces. How many pieces of cookies would Charli have on the third day?
6 pieces of cookies
Days: 1 2 3
Pieces: 2 4 6
Which expression is equal to 6 x 7 and why?
a. 6 + 7 because addition is the same as multiplication
b. 7 x 6 because the order f the factors doesn't matter in multiplication.
c. 6 ÷ 7 because division and multiplication are related
d. 7 + 6 because the order of the addends doesn't matter in addition
b
Carlos has 64 ounces of chocolate milk. He wants eight of his friend to equally share the chocolate milk. How many ounces of chocolate milk will each friend receive?
Draw dots to create a model to justify your thinking.
◯ ◯ ◯ ◯
◯ ◯ ◯ ◯
Each friend will receive 8 ounces of chocolate milk.