Adding
1.07 + 3. 12
4.19
15.13 - 2.09
13.04
6.8 x 5.2
35.36
8 / 180
22.5
Mandy buys 4 packs of organic milk from the neighbourhood store. Each pack is priced at $4.96. How much does Mandy spend in all on his purchase?
$19.84
7.254 + 3.421
10.675
39.874- 18.986
20.888
12.15 x 6.1
74.115
12 / 58.32
4.86
How is adding and subtracting decimals similar to adding and subtracting whole numbers? What is the key difference?
LINE UP THE DECIMALS and then add/subtract as you always would.
61.31 + 45.986
107.296
102.37 - 31.654
70.716
3.42 x 5.15
17.613
1.4 / 12.1
8.64
Mr. Turco buys 3 microphones for his concert next weekend for $22.35. How much did each microphone cost?
$7.45
12.12 + 15.432 +105.1
132.652
70.864 - 13.67 - 24.3
32.894
100.23 x 5.24
525.2052
5.13 / 31.63
6.16
Explain why 0.25 x .4 only has 1 decimal place in its product.
The product has zeros to the right of the decimal which will not affect the value
187.6453 + 112. 16 + 1.002
300.8073
15.0067 - 11. 02 - 2.014
1.9727
11.154 x 5.523
61.603542
0.7 / 0.2530
0.36
When dividing with decimals, why is it necessary to multiply both the divisor and the dividend by the same power of 10?
There can not be a decimal in the divisor when dividing.