Addition
Use the count-on strategy from the greater addend and complete the equation.
2 + 7 = _____
9
Find the difference.
7 - 4 = _____
3
Add.
9 + 8 = _____
17
Find the difference.
8 - 5 = _____
3
What is Miss A's full last name?
Ayers
Joy counted 8 pets sitting in the lobby at the pet clinic. How many more pets need to join to teach a total of 10 pets sitting in the lobby?
8 + _____ = 10
2
A fish expert studies 16 fish. Of these fish, 7 are clownfish, and the rest are angelfish. How many are angelfish? How many are angelfish?
Solve using ten frames.
16 - 7 = 9
Alex counts 3 dog taking a walk in the park. How many more dogs need to show up for there to be 10 dogs in all?
Use a ten frame to solve.
7
Hunter and Alex are looking for seashells on the beach. Hunter finds 3 shells. Alex finds 10 shells.
Use counters to solve.
10 - 3 = 7
What is my favorite color?
Pink
Rhonda wins tokens at the arcade. She wins some tokens to start and then she wins 7 tokens. Now she has 13 tokens in all. How many tokens did she win at the start?
Use ten frames to solve.
6 tokens
Of the 14 students playing on the playground, 7 are playing tag. The rest of the students are playing on the swings. How many students are playing on the swings?
Solve using ten frames.
14 - 7 = 7
Tomas has 8 pencils in his pencil case. He finds some more pencils on the desk and now has 11 pencils altogether. How many pencils did he find on the desk?
Use ten frames to solve.
8 + _____ = 11
3 pencils
Line and Jake went fishing. Jake caught 7 fish. Lina caught 12 fish.
Use counters to solve.
12 - 7 = 5
Where is Miss A from?
New Jersey
Which expressions show the steps to make 10 to solve? Select all expressions that apply. Use ten frames to solve.
4 + 9 = _____
4 + 6 + 3
10 + 3
Jump back to 10 on an open number line to subtract 12 - 9. Find the difference.
12 - 9 = 3
Find the sum to complete the equation.
3 + 9 = ______
12
Tim has $14. He spends $8 at the store. How much money does Tim have now?
Use an open number line to subtract. Complete the equation.
14 - 8 = 6
Does Miss A like to drive?
No
Break apart the second addend to make 10. Choose numbers to complete the equation to find the sum.
7 + 4 = _____
5 2 3 11 1
7 + _____ + ______ = 11
7 + 3 + 1 = 11
Jump back to 10 on the number line to subtract 15 - 9. Complete the equation.
15 - 9 = _____
15 - 9 = 6
Dylan plants 6 watermelon seeds and 9 cantaloupe seeds. How many seeds does he plant altogether?
6 + 9 = _____
What equation could Dylan use to solve this problem?
6 + _____ + ______ = ______
6 + 4 + 5 = 15
Jump back to 10 on a number line to subtract 18 - 9. Complete the equation.
18 - 9 = _____
18 - 9 = 9
How old is Miss A?
21