Adding Decimals
4.15+7.12
11.65
5.64-3.19
2.45
9.6/1.2
8
2.3 x 2.1
4.83
Explain how to add decimals?
Line the decimals up and add accordingly.
5.189+7.255
12.444
4.036-2.525
1.511
5/0.25
20
3.6 x 2.7
9.72
What can you have a decimal in the dividend or divisor
Divisor
27.029+9.783
36.812
25.6-24.476
01.276
23.56/0.4
58.9
12.2 x 3.6
43.82
When multiplying decimals how do you determine the decimal placement in the product.
Count the numbers of digits after decimal in the problem and add them together and the total number after the decimals are how many you place after the decimal in the product.
78.32+6.784
85.104
627.6-422.34
205.26
62.28/0.72
86.5
23.6 x 2.01
47.436
How do you get rid of the decimal in the divisor
Multiply by the power of 10
38.1+46.465+7.49
92.055
6.89+3.55-1.67
8.77
10,764/23
468
19.184 x 0.46
8.82464