Multiplicative Comparisons
Which of the following represents 90 = 10 × 9?
• 10 is 9 times as many as 90
• 90 is 10 times as many as 9
90 is 10 times as many as 9
Orso, the dog, ate 5 times as many dog bones as Luca, the dog. If Luca ate 5 dog bones, write an expression to find how many dog bones Orso ate.
5 × 5
6 x 3
18
Which of the following represents 60 = 10 × 6?
• 10 is 6 times as many as 60
• 60 is 10 times as many as 6
60 is 10 times as many as 6
Christine bought 15 candies. Michelle bought 4 times as many candies. How many candies did Michelle buy?
60
12 x 5
60
Which of the following represents 35 = 5 × 7?
• 35 is 5 times as many as 7
• 7 is 5 times as many as 35
35 is 5 times as many as 7
Fred made 6 picture frames. Barnie made 6 times as many picture frames as Fred. How many picture frames did Barnie make?
36
9x8
72
Which of the following represents 64 = 8 × 8?
• 8 is 8 times as many as 64
• 64 is 8 times as many as 8
64 is 8 times as many as 8
Jonah studies 3 times as much as Clara per week. If Clara studies for 4 hours per week, write an expression to find how many hours Jonah studies per week.
4 × 3
12x12
Which of the following represents 56 = 8 × 7?
• 56 is 8 times as many as 7
• 8 is 7 times as many as 56
56 is 8 times as many as 7
Courtney drank 3 times as much water as Stephanie. If Stephanie drank 21 ounces of water, write an expression to find how much water Courtney drank.
21 × 3
11x12
132