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Comparing Decimals
Comparing Decimals When comparing decimals, students must understand greater than and less than. Sometimes a number line can help. Reading Symbols < - is less than > - is greater than = - is equal to 0.5 ____ 0.7 0.5 < 0.7 0.5 is less than 0.7 Steps 1. Line up the decimals. 2. Fill in any missing digits with 0s. 3. Compare starting with the LARGEST place value on the left. Examples 1.34 _____ 10.3 Step 1: 1.34 10.3 Step 2: 0 1.34 10.3 0 Step 3: 0 1.34 1 0.30 1.34 < 10.3
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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