Powers of 10
5.32 x 10
53.2
6 x 0.6
3.6
Maya has 5 bones in her dog bed. Kobe has 1.5 times as many bones in his dog bed. How many bones does Kobe have in his dog bed?
7.5 bones
Give a reasonable estimate for this problem: 5.2 x 1
5
72.18 / 10
7.218
5 x 1.3
6.5
Bob’s neighbor pays him $6 each hour to rake leaves. His neighbor says he will pay Bob 1.75 times that amount to mow the lawn.
How much will Bob get paid each hour to mow his neighbor’s lawn?
$10.50
Give a reasonable estimate for this problem: 2.4 x 3
6
or 7.5
16.15 x 103
16,150
12 x 0.7
8.4
Dharma multiplies 5.92 and 6.
How many digits should be to the right of the decimal point in the product?
2 digits
Give a reasonable estimate for this problem: 1.62 x 9
16.2
or 18
or 13.5
43.5 / 100
0.435
28 x 1.7
47.6
Benito claims that the product 9×6.77 is equal to 6.093.
Is he correct? Explain
He is not correct because he put the decimal point in the wrong place. It should be between the 0 and the 9.
Give a reasonable estimate for this problem: 852 x 0.5
425
or 400
other
1.8 / 1000
0.0018
102 x 0.38
38.76
Harold is looking at Broadway tickets. Tickets for the Lion King cost $57 each. Tickets to Wicked cost 1.5 times as much. How much would it cost for Harold and his wife to see Wicked?
$171
Give a reasonable estimate for this problem: 9.12 x 25
250
or between 180 and 270