Addition
10 + 10 =
20
10 - 10 =
0
Halas posted 9 Youtube videos. Tomorrow he will post 3 more. How many videos does he have now?
9 + 3 = 12
Halas has 12 videos
How old is Miss Pingel?
25 years old
1 0 0
+ 1 2 3
223
9 8 7
- 2 3 1
756
Aaliyah drew 20 pictures. She gave away 7. How many pictures does she have now?
20 - 7 = 13
Aaliyah has 13 pictures
How much is a quarter worth?
25 cents
1 4 1
+ 6 3 1
772
5 2 4
- 3 1 1
213
Macy bought 33 bows. Camila bought 44 bows. Ryleigh bought 12 bows. How many do they have in all?
33 + 44 + 12 =
77 + 12 = 89
Starting from 23, skip count by 10s
___ ___ ___ ___
33, 43, 53, 63
403 + 582
985
489 - 482
7
David lost his marbles! Yesterday, he had 46. Today he has 21. How many did he lose?
46 - 21 = 25
Write 45 in word form.
Forty Five
246 + 841
1,087
759 - 39
720
Miss Pingel gave each of her students $456 to spend on Halloween Costumes. If Claire ends up with $222, how much did her costume cost?
456 - 222 = 234
Write 756 in expanded form.
700 + 50 + 6