Mental Math
Arrays
Word Problems
2-Digit by 1-Digit
100

Solve using mental math. 12 x 5

What is 60?

100
Write the equation for the following array. 5 rows of 7
What is 5 x 7?
100

A jet plane can travel 67 miles per hour. How many miles could it travel in 4 hours?

What is 268 mph?

100

Solve the equation. 23 x 5

What is 115?

200

Solve using mental math. 12 x 3

What is 36?

200
Write the equation for the following array. 8 groups of 3
What is 8 x 3?
200

An adult panda can eat 38 pounds of bamboo each day. How many pounds of bamboo can a panda eat in a week?

What is 266 pounds?

200

Solve the equation. 48 x 3

What is 144?

300

Solve using mental math. 12 x 7

What is 84?

300
Draw the array for the following equation. 4 x 5
What is 4 rows of 5 symbols?
300

Harry buys 9 dozen eggs. How many eggs does he have in all?

What is 108 eggs?

300

Solve the equation. 63 x 8

What is 504?

400

Solve using mental math. 12 x 12

What is 144 ?

400
Draw the array for the following equation. 7 x 3
What is 7 rows of 3 symbols?
400

. If Kayla has 24 sports cards, Henry has 9 sports cards. How many sports cards do they have altogether?

What is 216 sports cards?

400

Solve the equation. 99 x 6

What is 594?

500

Solve using mental math. 13 x13

What is 169?

500
Draw the array and solve for the following equation. 8 x 5
What is 8 rows of 5 symbols and 40?
500

Julian had 33 gold coins. Cole has 43 gold coins  How many gold coins do they have all together?

What is 1,419 gold coins?

500

Solve the equation. 83 x 9

What is 747?

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