Rounding to the Nearest 10
Round 81 to the closest ten.
80
Estimate the sum by rounding each number to the nearest 10:
27+45=
30+50=80
Round 682 to the nearest 100.
700
Estimate the difference by rounding each number to the nearest 10:
94-56=
90-60=30
Write the number in standard form:
5,000+300+20+7
5,327
Round 148 to the closest ten.
150
Estimate the sum by rounding each number to the nearest 10:
67+29=
70+30=100
Round 449 to the nearest 100.
400
Estimate the difference by rounding each number to the nearest 10:
218-101=
220-100=120
Write the number in standard form:
8,000+40+9
8,049
Round 237 to the nearest 10.
240
Estimate the sum by rounding each number to the nearest 10:
333+519=
330+520=850
Round 750 to the nearest 100.
800
Estimate the difference by rounding each number to the nearest 10:
845-291=
800-300=500
Write the number in expanded form:
2,417
2,000+400+10+7
Round 888 to the nearest 10.
890
Estimate the answer by rounding each number to the nearest 100:
841+112=
800+100=900
Round 123 to the nearest 100.
100
Estimate the difference by rounding each number to the nearest 100:
632-585=
600-600=0
Write the number in expanded form:
7,390
7,000+300+90
Round 99 to the closest ten.
100
Estimate the sum by rounding each number to the nearest 100:
333+668=
300+700=1,000
Round 999 to the closest hundred.
1,000
Estimate the difference by rounding each number to the nearest 100:
432-369=
400-400=0
Write the number in word form:
5,612
five thousand six hundred and twelve