Decimal Unit 2 Test (Study Guide)
Study Guide for Unit 2
Topics in Unit 2
- Writing Decimals
- Rounding Decimals
- Comparing Decimals
- Ten times and 1/10 of
- Adding and Subtracting Decimals
Rounding Decimals
Rounding Decimals Rule: 4 or less, let it rest; 5 or more, raise the score. Steps to Rounding: 1. Identify the digit which must be rounded (place value). 2. Look at the number to the RIGHT of the digit. 3. If the digit to the right is 4 or less, the digit remains the SAME. If the digit to the right is 5 or more, the digit goes up by ONE. Examples: 4.57 rounded to the nearest TENTH. 5.19 rounded to the nearest WHOLE.
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