Math 6 Unit 02 Notes - Decimals Worksheet Page 9
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19Math 6 Unit 02 Notes – Decimals
1.
Subtract the values of the front digits
2. Adjust your estimate by
comparing the second digits.
→
5
.87
5
5. 7
8
−
→ −
Example:
2
.2
9
2
−
>
2.
2
9
8
2
3
The actual answer is greater than
$3.00
Decimal Operations
Adding and Subtracting Decimals
NVACS 6.NS.B.3
Fluently add, subtract, multiply and divide multi-digit decimals using the standard
algorithm for each operation.
One method students should have seen from previous grades was the use of base ten blocks. A review of
this strategy may help students move into decimal addition and then subtraction. The pieces used look
like the following:
1
1
is used to represent 1 whole,
is used to represent
,
is used to represent
.
10
100
Math 6 NOTES
Unit 02: Decimals
Page 9 of 19
2014-15 -NVACS
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