Adding Decimals
4.9+22.8
What is
27.7
22.8-21.7
What is
1.1
.3\times2
What is
.6
1.3\times.2
What is
.26
Mr. Marsh wants to buy his class book marks. He finds bookmarks for $0.83 a piece. Estimate the cost Mr. Marsh would incur by purchasing a class of 23 students one bookmark per student by first rounding the price to the nearest whole number.
What is $23
Estimate the product by first rounding to the nearest whole number
3.2\times4.1
What is
6
2.07+13.70
what is
15.77
16.53-2.41
What is
14.12
.45\times7
What is
7.45
12.7\times.3
What is
3.81
Estimate the cost of purchasing 4 apples for $1.29 per apple and 3 cans of soup for $2.49 per can by first rounding prices to the nearest whole number.
What is $10
Estimate the sum by first rounding to the nearest tenth
2.78+3.44
What is
6.2
12.24+3.46
What is
15.7
23-11.204
What is
11.796
3.37\times13
What is
43.81
14.04\times.6
What is
8.424
Bartholomew earns $16.52 per hour working at the lumber yard. Estimate how much Bartholomew earns working a full 40 hour work week by first rounding his wage to the nearest tenth.
What is $660
Estimate the difference by first rounding to the nearest tenth
33.949-18.247
What is
15.7
106.204+13.298
What is
119.502
13.207-2.123
What is
11.084
13.678\times28
What is
382.984
8.972\times1.3
What is
11.6636
The tree outside our classroom measured 3.7402 meters in the spring. In the fall in measured 4.045 meters. How many meters did the tree grow over the summer?
What is .3048 meters
Estimate the difference by first rounding to the nearest tenth
47.9531-12.5824
What is
35.4
1.09087+2.80034
What is
3.89121
1-.9827
What is
.0173
27.845\times302
What is
8409.19
102.687\times.013
What is
1.334931
Compute the exact cost of purchasing 2 bags of rice for $3.29 per bag, 1 bottle of fish sauce for $4.57, 1 package of extra firm tofu for $1.99, and 3 heads of broccoli for $1.25 per head.
What is $16.89
Estimate the product by first rounding to the nearest hundredth
1.026719\times 3.043299
What is
3.1312