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# Chp 3 Math Test Voc

### Vocabulary practice for the Chapter 3 Test

A way of writing decimals that uses the sum of the products of each digit and its place value. Expanded form
A way of estimating by rounding a group of closely related numbers to the same number. Clustering
The usual way in which we write decimals and other numbers. Standard form
Decimals that name the same number. Equivalent decimals
A way of estimating the sum or difference by adding or subtracting the front digits and then the next digits. Front-end estimation
If you round 11.23, 10.78, 11.06, and 11.023 to 11 to form the estimate 44 is an example of ... clustering
0.004 and 0.0040 are ... Equivalent Decimals
If you estimate that 56.76 - 43.036 is about 10, then you are using the estimation method called ... Front-end estimation
Writing the decimals in the form of (3 X 1)+(8 X 0.1)+(7 X 0.01) is and example of ... Expanded form
If you estimate the sum of 2.97 + 7.20 to be about 10, you are estimating using the method called... Rounding
to add or join to annex
Numbers that have digits in the tenths place and beyond are called... Decimals
Created by: gdustin