Joe has three marbles in 10 different bags. How many marbles does he have in all?
30 marbles
5 rows of 4
20 counters
45 counters split into groups of 5
9
5 counters in 7 groups
35
Sally has five bags of bread, each with 13 pieces of bread in them. How many pieces does she have in all?
65 pieces
3 rows of 9
27
32 counters split into groups of 4
8
8 counters into groups of 6
48
Tom has 6 toy cars. How many wheels are on all 6 cars?
24
10 rows of 7
70
15 counters into groups of 3
5
How many different ways could you put 16 counters into groups?
2 ways, 4 times 4, or 8 times 2
Mike has three bags of cookies, each with 8 cookies instead. He gives 5 cookies to Mary. How many cookies does he have left?
24-5=19
8 rows of 9
72
4
How many different ways could you put 12 counters into groups?
2, 3 times 4, or 6 times 2
Ryan has two packs of 24 crayons. He takes two crayons from Cindy, and ten from Mark. How many crayons does he have in all?
24 times 2 = 48+2+10=60
13 rows of 2
26
16 counters into groups of 4
4
How many different ways could you put 20 counters into groups?
2, 2 times 10, or 4 times 5.