Vocabulary
A digit spot in a number
Place
Round 185.23 to the nearest tenths
185.2
Estimate 23 - 14
20 - 10 = 10
The nearest whole of 87.4
87
Round to the nearest hundredths 4.364
4.36
How much something is worth, based on its position in a number
Value
Round 0.45 to the nearest tenths
0.5
Estimate 93+28
90+30=120
The nearest whole of 2,506.7
2,507
Round 0.546 to the nearest hundredths
0.55
Numbers without fractions and are a collection of positive integers and zero
Whole numbers
Round 14.236 to the nearest tenths
14.2
Estimate 89 - 67
90 - 70 = 20
The nearest whole of 10,587.07
10,587
Round 87,780.077 to the nearest hundredths
87,780.08
A chart that shows a value and a number based on its digits
Place Value Chart
Round 3004.389 to the nearest tenths
3004.4
Estimate 99+24
100+20=120
The nearest whole of 307,569.71
307,570
Round 65,701.306 to the nearest hundredths
65,701.31
To make an approximate calculation, often based on rounding
Estimate
Round 18,354.5 to the nearest tenths
18,354.5
Estimate 418+805
420+810=1230
The nearest whole of 504,799.598
504,800
Round 2.198 to the nearest hundredths
2.20