Mental Patterns
Estimate
2-Digit and 3-Digit
Word Problems
Vocab
100
Solve using mental math. 50 x 5
What is 250?
100

46 x 3

What is 150?

100

Solve the equation. 52 x 5

What is 260?

100

A jet plane can travel 567 miles per hour. How many miles could it travel in 4 hours?

What is 2,268 mph?

100

The answer to a multiplication problem

What is a product?

200

Solve using mental math. 80 x 30

What is 2400?

200

88 x 6

What is 540?

200

Solve the equation. 98 x 6

What is 588?

200

An adult panda can eat 138 pounds of bamboo each day. How many pounds of bamboo can a panda eat in a week?

What is 966 pounds?

200

32 in the equation 32 x 4 = s

What is a factor?

300
Solve using mental math. 600 x 70
What is 42,000?
300

145 x 6

What is 600?

300

Solve the equation. 123 x 4

What is 492?

300
Harry buys 9 dozen eggs. How many eggs does he have in all?
What is 108 eggs?
300

The N in 35 x 6 = N

What is a variable?

400
Solve using mental math. 90 x 40
What is 3,600?
400

4,325 x 3

What is 12,000?

400

Solve the equation. 843 x 5

What is 4,215?

400

When a cow does jumping jacks you get this.

What is a milkshake?

400

One way to check for reasonableness

What is estimate?

500
Solve using mental math. 500 x 800
What is 400,000?
500

25,658 x 4

What is 120,000?

500

Solve the equation. 16,020 x 8

What is 128,160?

500

Tina, Henry and Kayla have sports cards. Henry has 4 cards. Tina has 3 times as many sports cards as Henry. Kayla has 6 times as many sports cards as Henry. How many sports cards do they have altogether?

What is 40 cards?

500

Using place value to exchange equal amounts when renaming a number

What is regrouping?