Vocabulary
What do we call the answer to an addition problem?
Sum
What is the sum of 10 and 10?
20
10 + 11 = ___
21
10-9 = ___
1
Isaiah has 9 stickers. He gives 2 stickers to Gama. Then Isaiah puts some stickers on his lunch bag. He has 4 stickers left. How many stickers did John put on his lunch bag?
3
Is "take away" a key word for addition or subtraction?
Subtraction
Mr. Arcadi creates 5 math problems. Ms. Long creates 15 math problems. How many math problems do they create in all?
20 math problems
35 + 23 = ___
58
15-4= ____
11
There are 19 ducks in a pond. First, 9 ducks fly
away. Then 3 more ducks fly away. How many
ducks are in the pond now?
7
Is "less than" a key word for addition or subtraction?
Subtraction
What is the difference between 22 and 10?
12
46 + 58 = ___
104
58 - 23 = ___
35
James has 8 balloons. He has 3 red balloons. The rest are blue. Gama has 5 more blue balloons than James. How many blue balloons does Carlota have?
10
Is "In total" a key word for addition or subtraction?
Addition
Mrs. Drake has 30 plants inside her house. She puts 15 of the plants outside. How many plants are left inside the house?
15 plants
103 + 7 = ___
110
117 - 6 = ___
There are 10 surfers in the ocean. 3 more surfers join them. Then 7 surfers ride a wave to shore. How many surfers are in the ocean now?
6
Is "altogether" a key word for addition or subtraction?
Addition
James and Gama have 20 toys altogether. Isaiah has 32 toys. How many more toys does Isaiah have?
12
114 + 78 = ___
192
128 - 39 = ___
89
James and Gama have 94 pieces of Halloween candy. Isaiah and Larry have 82 pieces. If they combined all their candy and divided it equally, how much would each person have?
44 pieces each