What is 1.2 x 2
2.4
What is 24 x 0.1
2.4
True or False : You line up the decimals up when multiplying decimals?
False
Do we count the number of decimals in the factors in order to place the decimal in the product?
true
What is 1.5 x 3
4.5
What is 2.3 x 5
11.5
What do we call a number that we multiply?
factor
What are the terms for a x b = c
Factors and product
A teacher has 3 boxes of pencils. Each box costs $4.75. How much does he spend on pencils?
$14.25
What is 2.5 x 10
25
What is 2.34 x 100
234
Jillian ordered 3 slices of pizza. Each slice costs $3.79. How much money did Jillian spend?
$11.37
What is 2.1 x 56
117.6
What is 1.5 x 43
64.5
What do we call the answer to a multiplication problem?
product
what are two ways to say the number 0.3
three tenths or zero point 3
If I bought some pizza that costs $11.37, how much money would I get back in change if I paid with $20.00?
$8.63
What is 1.2 x 30
36
What is 1.25 x 4
5
What property is this? a x b = b x a
Commutative? Associative?
commutative
Multiplication is another way of doing what?
Repeated addition? Repeated subtraction?
Repetitive addition
A construction company ordered 45 planks of wood. Each plank costs $5.25. How much money does the construction company spend on the planks?