Maya is making hot cocoa for her friends. She puts 12 marshmallows in the first mug and 4 marshmallows in the second mug. How many marshmallows did she use in total?
12+4=16
A group of 9 penguins were huddling to stay warm. 4 more penguins waddled over to join the huddle. How many penguins are in the group now?
9+4=13
5 tens
50
13
Toby wants to have 15 cookies on the plate for the party. He has already baked 9 cookies. How many more cookies does Toby need to bake to reach his goal?
9+6=15
15-9=6
Leo made 15 snowballs before lunch. After lunch, he made 2 more. How many snowballs does Leo have ready for the fight?
15+2=17
Chloe mailed 8 cards on Monday and 8 cards on Tuesday. How many total cards did she mail?
8+8=16
3 tens
30
1 ten 6 ones
16
Ava put 8 marshmallows in her cocoa. Her brother snuck a few more in when she wasn't looking. Now she has 14 marshmallows. How many did her brother add?
8+6=14
14-8=6
There were 18 polar bears resting on an ice floe. 9 of them jumped into the water to go for a swim. How many polar bears are still resting on the ice?
18-9=9
A farmer put out 18 carrots for the reindeer. By morning, 9 carrots had been eaten. How many carrots were left?
18-9=9
6 tens
60
2 tens 5 ones
25
A string of lights is supposed to have 18 bulbs. Only 11 bulbs are currently lit up. How many bulbs are burnt out and need to be replaced?
18-11=7
A mail carrier had 15 packages in her bag. She delivered 3 of them to the houses on Snowflake Lane. How many packages does she still have left to deliver?
15-3=12
A branch had 12 clumps of snow on it. A heavy wind blew 4 clumps off. How many clumps are on the branch now?
12-4=8
80
2 tens 8 ones
28
A box held 20 glass ornaments. After the cat knocked it over, only 13 ornaments were still in one piece. How many ornaments broke?
20-13=7
The school's lost and found has 14 blue mittens and 6 red mittens. How many mittens are in the box altogether?
14+6=20
There were 14 children at the top of the sledding hill. 6 of them zipped down to the bottom. How many children are still waiting at the top?
14-6=8
9 tens
90
6 tens 4 ones
64
Frosty was made of 17 snowballs. After the sun came out, some melted. Now he only has 8 snowballs left. How many snowballs melted away?
17-8=9
17-9=8