Mental Math
Solve using mental math. 50 x 5
What is 250
Round to estimate the product of 32 X 8
What is 240
What is the answer to a multiplication problem called?
What is the "product"
Solve the equation. 52 x 8
What is 416
Solve using mental math. 7 X 100
What is 700
Round to estimate the product of 25 x 5
What is 150
A polar bear climbs on a rock every morning to eat a breakfast of 25 fish. The polar bear eats fish for breakfast all 7 days of the week. How many fish in total will the polar bear eat during the week?
What is 175 fish
Solve the equation. 5 X 33
What is 165
Solve using mental math. 600 x 70
What is 42,000
Round to estimate the product of: 49 x 5
What is 250
About 20 inches of rain falls monthly in a coastal rain forest. About how any inches of rain is that yearly?
(Hint: how many months are in a year?)
What is 240 inches
Solve the equation. 98 x 6
What is 588
Solve using mental math. 475 X 1,000
What is 475,000
Round to estimate the product of: 22 x 44
What is 800
Inky earns $12 an hour as a babysitter. How much will Inky earn if he works from 8:00am to 2:00pm?
What is $72
Solve the equation. 62 x 8
What is 496
Solve using mental math. 3 X 2,500
What is 7,500?
Round to estimate the product of 42 X 53
What is 2,000
Inky walks Trevor the dog every day. The trail makes a loop that is 90 yards long. There are 3 feet in a yard. How many feet did Inky and Trevor walk?
What is the equation to solve? Are we multiplying or dividing?
What is 240
Solve the equation. 99 x 9
What is 891