Multiplying Decimals by One or Two Digits

Products found by breaking one of two factors into ones, tens, hundreds and so on. Then multiplying each of these by the other factor.

• Underestimate

• Overestimate

• Partial Products

• OWO

Once the numbers are lined up in a multiplication problem, how do I know where my decimal is placed in my answer?

• Bring the decimal straight down

• There is no decimal

• Count how many numbers are behind all decimals in the problem

• Move the decimal 2 spaces from the front

If you multiply 0.73 by 2.52, how many times would you move the decimal?

• 2

• 3

• 4

• 5

When multiplying with decimals, you...

• Line up the digits.

• Line up the decimals.

• Move the decimal to make a whole number.

• Raise the decimal "to the roof."

2.7 x 46

• 124.2

• 12.42

• 1.242

• 1,242

0.83 x 29

• 18.7

• 1.87

• 24.07

• 240.7

46.51 x 0.1

Mathematical Equivalence

ON

Multiply.

7 × 0.9 = ?

• 0.063

• 0.63

• 6.3

9.4 x 8.6

Mathematical Equivalence

ON

Solve the following problem:

4 x 0.03

• 12

• 0.12

• 120

• 0.012