Adding Decimals
1.1 + 1.2
What is 2.3
5/6 x 2/3
What is 10/18
Division's inverse operation
What is multiplication
Estimate 38.23 + 11.84
What is 38 + 12 = 50
A number multiplied by 1
the number
34.2 + 10.7
What is 44.9
4/5 x 3/9
What is 12/45
28 divided by 7
What is 4
Estimate 75.38 + 22.04
What is 75 + 22 = 97
If either factor is even then
the product is even
99.999 + 0.0009
What is 99.9999
4/6 x 3 (simplify)
What is 2
Trick or steps for DIVIDING fractions
What is Keep, Switch, Flip
Estimate 31.29 + 58.07
What is 31 + 58 = 89
When multiplying by multiples of 10, just
add a zero to the end
32.35 + 29.9
What is 62.25
6/9 x 3/2 (simplify)
What is 1
2/3 divided by 7/10
What is 20/21
Estimate 12.045 - 11.81
What is 0
8.93 x 21.36 = 1907448 Where does decimal go?
Between 0 and 7; 190.7448
24 + 1.456
What is 25.456
7/8 x 3 (number > 1)
What is 2 and 5/8
401 divided by 50
What is 8 remainder 1
Estimate. 6.25 + 5.88 + 5.61 + 6.03
What is 6 + 6 + 6 + 6 = 24
712 x 34 means
712 x (30+4)