70 x 60 = ?
4,200
Estimate the product of 78 x 32
2,400
Write an equation for 78 x 32.
(70 + 8) x (30 + 2)
For the equation 12 x 16, identify the factor(s) and product(s).
12=factor
16=factor
192=product
What is 39 x 17?
663
90 x 80 = ?
7,200
Miss. Kennington buys 12 bags with 28 pieces of candy in each. Estimate how many pieces of candy Miss. Kennington has.
300 pieces of candy
Which of the following uses properties of operations to help find 34 x 12?
a. (30 + 4) x (10 + 2)
b. 30 x 4 x 10 x 2
c. 30 + 4 + 10 + 2
d. 34 + 12
a. (30 + 4) x (10 + 2)
The area model drawn on the board shows 17 x 13. What is the partial product that is labeled C in the model?
30
Draw an area model to find the product of 36 and 13.
Part a: Write the values of the partial products.
Part B: write the product of 36 and 13.
Part A: 300, 90, 60, 18
Part B: 468
Use basic facts and patterns to find the product of 90 x 10.
900
Alice is buying cranberries to make cranberry sauce at her Thanksgiving dinner. She needs to feed 16 people and it calls for 38 cranberries per serving. Estimate how many cranberries Alice will need to buy to feed all 16 people.
800
Which of the following uses properties of operations to help find 62 x 23?
a. 62 + 23
b. 60 + 2 + 20 + 3
c. (60 + 2) x (20 + 3)
d. 60 x 2 x 20 x 3
c. (60 + 2) x (20 + 3)
Find the missing factor: 40 x ____ = 2,800
70
Kaylynn is making blankets for Mrs. Shupe and Mr. Echard for Christmas. Each blanket is 62 inches long and 78 inches wide. What is the area of both blankets combined?
9,672
Kolby has a hat rack at home. The hat rack has 10 rows and each row holds 12 hats. How many hats can Kolby's hat rack hold?
120 hats.
It took Lutreal 17 hours to drive from his home to Florida. He drove about 58 miles each hour. Write and solve an equation that uses estimation correctly to show about how many miles Lutreal drove.
20 x 60 = 1,200
Which of the following could be used to help find the product of 24 x 20?
a. 24 + 30
b. 20 x 20 x 4 x 20
c. 20 + 20 + 4 + 20
d. 20 x 20 + 4 x 20
d. 20 x 20 + 4 x 20
The product of two factors is 6,000. One of the factors is 3,000. What is the other factor?
2
Samantha’s yard is 28 feet long and 17 feet wide. Her neighbor’s yard is 14 feet long and 19 feet wide.
Part A: What is the area of Samantha’s yard?
Part B: What is the area of Samantha’s neighbor’s yard?
Part C: What is the difference between the areas of the yards?
Part A: 476
Part B: 266
Part C: 210
A library has 40 shelves. Each shelf has 50 books. Write and solve an equation to find the total number of books on the shelves.
a. 40 + 50 = b; b=90
b. 40 x 50 = b; b=200
c. 40 x 50 = b; b=2,000
d. 40 x 50 = b; b=20,000
c. 40 x 50 = b; b=2,000
Adelyn gets her nails done once every month. Each time she gets her nails done it costs $68. Estimate how much money Adelyn spends on her nails in one year.
$700
A tour bus driver’s route is 14 miles.
Part A: which equation represents the number of miles driven after 6 tours this week and 17 tours next week?
a. 14 x (6 x 17) = m
b. 14 x 17 = m
c. 14 x 23 = m
d. 17 x (14 +6) = m
Part B: What is the total number of miles the tour bus driver will drive?
Part A: c. 14 x 23 = m
Part B: 322 miles
Select all of the expressions that have a product of 3,600.
a. 60 x 90
b. 60 x 60
c. 90 x 30
d. 40 x 60
e. 40 x 90
b. 60 x 60
e. 40 x 90
Blake dyes his hair twice a month and uses one box of hair dye each time. It costs $42 per box of hair dye. Write and solve an equation to show how much money Blake spends in one year.
1,008