Math 6 Unit 02 Notes - Decimals Worksheet Page 13
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19Math 6 Unit 02 Notes – Decimals
1.63
Counting the number of digits to the right of the
×
4.2
decimal points, there are two digits to the right of
the decimal in the multiplicand and one to the
32 6
right of the decimal in the multiplier; that’s 3
652
digits altogether.
684 6
Now, count the same number of places, 3, from
right to left in the answer. That’s where the
The answer is 6.846.
decimal point is placed.
NVACS 6.NS.B.2
Fluently divide multi-digit numbers using the standard algorithm.
Students will need ample practice to truly master this standard to the level of fluency. Long division
problems using the standard algorithm (whether whole number or decimal numerals) could be practiced
daily, and over time, in warm ups and/or long term memory review.
Remind students of the steps for division which are:
This step is extremely important –
1.
Divide
corrected by explicitly teaching
2.
Multiply
this step!
3.
Subtract
4.
COMPARE
5.
Bring down…. and ….repeat process if needed
1077
24 25 863
,
−
24
15
1 077
,
or
1 077 15
,
r
18
24
−
0
18 6
−
16 8
1 8 3
16 8
15
Students should be explicitly taught to approximate the divisor to an easier number to divide. In this
case, since most of us do not know our 24 times tables, we could approximate to 25 (or 20) to get an
idea of how many 25’s in 186 or 183.
Math 6 NOTES
Unit 02: Decimals
Page 13 of 19
2014-15 -NVACS
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