Rounding
Estimating
Adding Decimals
Subtracting Decimals
Grab Bag
100
Round 1.98 to the ones place.
2
100
Estimate 2.2 + 7.6
2 + 8 = 10
100
1.03 + 0.36
1.39
100
4.08 - 2.12
1.96
100
Round 234,500,677 to the nearest million.
235,000,000
200
Round 27.45 to the ones place
27
200
Estimate 567.1 + 601.3
600 + 600 = 1,200
200
4.298 + 0.65
4.948
200
20.60 - 14.35
6.25
200
271.90 + 34.22
306.12
300
Round 23.46 to the tenths place.
23.5
300
Estimate 3856 - 2157
2000
300
0.922 + 6.4
7.322
300
85.22 - 43.548
41.672
300
65.18 - 12.005
53.175
400
Juen has $698.67 cents. About how much money does he have?
$700
400
If Steven has 1,052 marbles in 1994 and loses 877 of them by 2004, about how many marbles does he have in 2004?
200
400
If I have $8.02 and I find $9.07, how much money do I have?
$17.09
400
Brian has $13.90. He spends $3.80 at Taco Bell. How much change does he get?
$10.10
400
An average person's upper leg bone measures 19.88 in. and lower leg bone measures 16.94 in. How much longer is the upper leg bone than the lower leg bone?
2.94 in.
500
Round 567,822.99 to the ten thousands place.
570,000
500
If there are 17,566 people on the blue line and 23,777 people on the red line, about how many people are on these two subway lines combined?
42,000
500
If Leroy has $0.868 and Yorel has $15.973, how much do they have combined?
$16.841
500
What is the difference between 7.094 and 3.657?
3.437
500
Jamie earned $27.00 taking care of a neighbor's dog for a week. She spent $19.95 on a new DVD. Later, she earned $15.00 for raking leaves. How much money does she have?
$31.95
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