Adding
5.7 + 3.8
9.5
3.6 - 1.9
1.7
*Use front end estimation*
8.7 x 3.4
27
What are three examples of decimals in real life?
Ex: Money/ price, Taxes, Measurements, time, speed, etc.
17.4 + 7.3
24.7
7.54 - 4.88
2.66
5.64 x 8
45.12
When writing down a subtracting or adding question what do you need to do before you start solving?
Line up the decimals
23.34 + 76.99
100.33
23.78 - 14.79
8.99
13.12 x 4
52.48
After multiplying what do you have to put back in to get your final answer?
The decimal
138.25 + 562.94
701.19
439.12 - 76.29
362.83
123.45 x 32
3950.40
Which math skill requires placeholder zeros?
Subtracting
45.67 + 77.312
122. 982
723.34 - 184.935
538.405
97.45 x 9.7
945.265
Using what you know about multiplication what do you think the first step in division is?
Remove the decimal