Challenge
15-5=10
10-2=8
9+3=?
9-2=?
7
Sam buys 14 balloons for a party. There are 4 red balloons. The rest are yellow. How many yellow balloons does he buy?
10 balloons
8 friendly ghosts went trick-or-treating. 7 more ghosts joined them. Then 5 more ghosts appear. How many friendly ghosts were trick-or-treating?
20 ghosts
Chrissy buys 17 oranges. She eats 4 oranges. She gives 7 oranges to her friends. How many oranges does Chrissy have now?
6 oranges
____ + 12=15
3
18-8=?
10
Charlie makes 15 bat crafts. She colors 7 of them black, the rest of them are brown. How many bats are brown?
8 bats
There are 10 bats flying around town. 7 of them decide to go home. Then 2 of the them go to a park. How many bats are still flying around town?
5 bats
Make a fact family with 4 equations for these numbers.
9, 5, 14
9+5=14
5+9=14
14-5=9
14-9=5
11+___=20
9
13-8=?
5
Sean has 10 books. He has 6 more books than Kali has. How many books does Kali have?
4 books
At the grocery store there are 12 pumpkins, the worker adds 5 more pumpkins. Then the kids bought 3 pumpkins. How many pumpkins are there now?
20 pumpkins
Use the make ten to add strategy for this problem.
4+8=?
4+6=10
10+2=12
9+6=?
15
16-____=?
16-6=10
16-5=11
16-8=8
16-9=7
Katie had 18 blocks. He gave some to Mark. Now she has 12. How many did she give to Mark?
6 blocks
Jim collected 13 seashells on Sunday and 10 on Monday. He gave his little brother 7. How many seashells did Jim have left?
16 seashells
Find 15-6=? Show me two different strategies.
9
____=13+5
18
12-____=5
7
A pencil costs 19 cents and a sticker costs 9 cents less.
10 cents
Mrs. Randall gives her girls 7 unicorn stickers and her boys 9 spiderman stickers. Then she gets some extra out. Now she has 25 stickers. How many stickers does she give out?
9 stickers