For which 2 operations (addition, subtraction, multiplication, division) do you need to line up the decimal points?
Addition and Subtraction
4.2 x 8 =
33.6
For which operations (addition, subtraction, multiplication, division) do you need to count the number of digits after the decimal points?
Multiplication
9.6 + 0.18 =
9.78
43.03 - 6.91 =
36.12
3.7 x 5 =
18.5
What do you call the operation used to find the total number of items in a given number of groups?
Multiplication
1.23 + 8
9.23
12 - 4.61 =
7.39
0.07 x 4
0.28
When multiplying by a decimal, which way do you move the decimal point?
To the left
8 + 2.45
10.45
62 - 48.6
13.4
23 x 6.7
154.1
What do you call an answer to a multiplication problem?
Product