Addition
Add 20 +20.
What is 40?
Subtract 60 - 10.
What is 50?
True or False.
20 + 60 = 100?
FALSE
40 + 60= 100
Add 40 + 30.
What is 70?
Subtract 80 - 20.
What is 60?
True or False
70 + 30= 100
TRUE
Add 40 + 50.
What is 90?
Subtract 80-40.
What is 40?
True or False
50 + 40 = 100.
FALSE
50 + 50= 100
Add 30 + 70.
What is 100?
Subtract 60-50.
What is 10?
Write an addition sentence to make sum = 100.
Use these numbers:
20, 80, 50
20 + 80 = 100 or 80 + 20=100
50 + 50 = 100
Add 44 + 35.
What is 79?
Subtract 73 - 23?
What is 50?
Write an addition sentence to find the sum = 100.
Use these numbers:
30, 70, 40, 60
30 + 70 = 100 or 70 + 30= 100
40 + 60= 100 or 60 + 40= 100