Adding
8+7
15
15-2
13
3x2
6
10 divide by 2
5
Janice has 6 red pencils and 3 blue pencils, how many total pencils does she have?
9
10+2
12
21-3
18
4x4
16
4 divide by 2
2
Fred read 3 books on Friday, 4 books on Saturday and 1 book on Sunday. How many books did he read in all?
8
7+7
14
12-4
7
5x4
20
8 divide by 2
4
Rose had 20 cookies for her class. 15 students took 1 cookie each. How many cookies are left?
5
6+6
12
20-5
15
3x7
21
16 divide by 2
8
Sally went to the store with $20. She bought a necklace that cost $5 and a purse that cost $10. How much money was left over?
$5
8+8
16
25-4
19
9x9
81
14 divide by 2
7
Mark brought gum to school to share with his friends. He had a total of 50 pieces of gum. He gave away 25 pieces of gum. What was left?
25