Estimating Decimals
Round to the nearest hundred:
837+488.12=
1300
1.03+0.36=
1.39
7.8-4.9=
2.9
Sophie put three bookshelves in her room. The top shelf is 3.88 feet long, the middle shelf is 2.63 feet long, and the bottom shelf is 4.56 feet long. What is the total combined length on the shelves?
11.07 feet
725-125=
600
Round to the nearest hundred:
179+277.1=
500
6.9+2.8
9.7
65.18-12.05=
53.13
Ricardo bought a pair of shoes for $55.60 and a hat for $9.78. How much did he spend in all?
$65.38
450+385=
835
Round to the nearest whole number:
3.8+4.1+3.3=
11
7.2+3.96+8.8=
19.96
65.90-28.38=
37.52
Talia measured two strings. The green string was 2.37 cm long. The blue string was 4 cm long. How many centimeters longer was the blue string than the green string?
1.63 cm
7x6
42
Round to the nearest whole number:
2.9+3.9=
7
271.90+34.22=
306.12
13.9-3.8=
10.1
Alberto ran 15.6 km on Monday, 12.8 KM on Tuesday, and 6.5 KM on Wednesday. Dennis ran 11.25 KM on Monday, 14.6 KM on Tuesday, and 8KM on Wednesday. Who ran further? How much farther?
Alberto ran 1.05 Km further
5X5+5-15=
15
Round to the nearest whole number:
12.99-3.95=
9
16.62+4+2.38=
23
52.02-0.83=
51.19
Lucy bought 2.12 pounds of pears and 3 pounds of apples. Find how many more pounds of apples than pears Lucy bought.
0.88
5^3=
125