Use rounding to estimate the following.
54.23 - 12.92
41
100
How many mm in a cm?
10
200
What digit is in the thousandths place?
34.9162
6
200
Find the difference between 54.74 and 31.45
23.29
200
Round the following to the nearest thousandths.
546.19732
546.197
200
Use front-end estimation to solve the following.
23.45 + 12.61 + 10.12
46
200
22cm = ____m
.22
300
What is two-tenths bigger than 13.487?
13.687
300
Find the sum of 49.21 and 54.2
103.41
300
Round the following to the underlined digit.
874.923 (hun)
874.92
300
I built a bookshelf. It took 48.6 inches of wood for one side and 23.5 inches of wood for the bottom. The bookshelf is rectangular. About how much wood did I need to create the bookshelf.
146 inches
300
534cm = ____ m
5.34
400
What is 6 hundredths less than 76.5923?
76.5323
400
Find the difference between 76 - 48.54
27.46
400
Round the following to the nearest hundredth.
199.978
199.98
400
Use front-end estimation to solve the following.
71.23 + 29.54 + 34.91
136
400
7mm = ____cm
.7
500
What is one-tenth less than 92.213?
92.113
500
Find the sum of 103.02 and 39.9
142.92
500
Round the following to the nearest hundred thousand and write in decimal of millions.
34,945,312
34,900,000 34.9 million
500
If you pay a cashier with a $50 bill for an item that costs $24.32, about how much will you receive in change? Will this estimate be too high or too low?