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
John has 9 stickers. He gives 2 stickers to Solana. Then John 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. Ivan creates 5 math problems. Ms. Madeline creates 15 math problems. How many math problems do they create in all?
20 math problems
8 + 11 = ___
19
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
9+8 = ___
17
18-9 = ___
9
Salim has 8 balloons. He has 3 red balloons. The rest are blue. Carlota has 5 more blue balloons than Salim. How many blue balloons does Carlota have?
10
Is "In total" a key word for addition or subtraction?
Addition
Ms. Dahana has 30 plants inside her house. She puts 15 of the plants outside. How many plants are left inside the house?
15 plants
13+7 = ___
20
19-11 = ___
8
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
Rayan and Lexi have 20 toys altogether. Trey has 32 toys. How many more toys does Trey have?
12
34+25 = ___
59
67 - 31 = ___
36
Write a two-step word problem. Using these equations- it must be two steps.
9 – 4 + 2