Find the missing number.

24 - 4 = 20

Find the partial sum of the given place value block.

>>> Tens: 30 + 20 = 50
>>> Ones: 7 + 2 = 9

Write missing tens or ones digit. 42 + 3⎕ = 75

Marla walks 23 blocks. The next two days she walks 17 and 12 blocks. How many blocks Marla walk in all?

Write an equation for the sum given below:

When asked about favorite sport, 15 students like to play soccer and 19 students like to play tee-ball. How many students are there in all?

Ted has 18 crayons. Terry has 47 crayons. How many crayons does they have in all?

Ben has 24 stamps. He buys 46 stamps more from a store. How many stamps does he have now?

Wendy collects 32 rocks. His sister collects 29 rocks. How many rocks do they collect in all?

Find 36 + 40

Use partial sums to find the sum of 47 and 29.

Find the partial sums of 28 + 14.

Represent an equation for below sum.

Roger puts 8 pennies to his bank. Then he added 7 pennies and 25 pennies to his bank. How many pennies does he have in all?

Write missing tens or ones digit. 19 + ⎕1 = 60