Addition or Subtraction Clue Word
"Total"
Addition
2x8=
16
Ms. Birkhoff leaves school at 3:30 pm. It takes her 40 minutes to drive to the store. What time does she get to the store?
4:10 pm
3/4
What percentage does 50/100 equal?
50%
"Remains"
Subtraction
30x1=
30
Mr. Gasquoine and his friend are going to Florida. Their flight is at 8:30 am. They want to be there two hours before take off. What time do they need to get to the airport?
6:30 am
1/2 + 1/2=?
2/2 or 1 whole
What decimal does 10/100 equal?
.10
"In all"
Addition
5x5=
25
Steve is making pizza for dinner. He starts at 5:00 pm. It takes him 65 minutes to prep the ingredients and preheat the oven. What time does he put the pizza in the oven?
6:15 pm
4/10+5/10=?
9/10
What fraction is equal to 60%?
60/100
"More Than"/"Less Than"
Subtraction
4x4=
16
Mrs. Thacher put 20 cupcakes in the oven at 3:00 p.m. The directions say that the cupcakes need to bake for 80 minutes. What time are they ready to serve?
4:20 pm
3/7 +3/7=?
18/20
.75 is equal to what percent?
75%
What's the "Difference"?
Subtraction
10x10=
100
Class starts at 9:00 AM. It takes 20 minutes to walk there. What time do you need to get leave?
8:40 AM
12/24 + 13/24=?
15/24
What decimal is 90% equal to
.9 or .90