Name That Question
.5 x 3.4 =
What is one half of 3.4?
A number that when multiplied by another results in a product.
What is a factor?
ESTIMATE:
0.12 x 105 =
What is 10?
When you multiply a decimal (less than one) by another decimal (less than one), it will result in a product that is _______ either factor.
What is LESS THAN?
Why can 0.6 x 0.9 be written as (6 x 0.1) x (9 x 0.1)?
What is equivalence?
.8 x 8.5 =
What is eight tenths (8/10) of 8.5?
When making an estimate, both factors are rounded UP. This results in an ____.
What is an overestimate?
ESTIMATE:
37 x 0.93 =
What is 37?
When you multiply a whole number by a decimal (less than one), it will result in a product that is _____ the whole number.
What is LESS THAN?
Place the decimal correctly in the problem:
12 x 4.8 = 576
What is 57.6?
5 x .25 =
What is one quarter (or 25/100) of 5?
Rounding a factor to this would make it easier to multiply.
What is a compatible number?
ESTIMATE:
9.91 x 8.74=
What is 9?
When using an area model to multiply decimals, one factor is represented horizontally, the second is represented _______.
What is VERTICALLY?
Why can 0.6 x 0.9 be written as (6 x 9) x (0.1 x 0.1)?
What is the Associative Property?
12.4 x .6 =
What is 6/10 (six tenths) of 12.4?
Using this will be an effective strategy for placing the decimal in a product.
What is PLACE VALUE?
ESTIMATE:
12 x 0.37 =
What is 4?
When using an area model, the product is represented by the shaded areas that ______ from each factor.
What is OVERLAP?
What are two factors that would give a product of 0.22?
What are 11 x 0.02?...0.11 x 2?
100 x .75 =
What is 75/100 (or 3/4) of 100?
This property of multiplication will help regroup numbers to better understand place value and place the decimal point in a product.
What is the ASSOCIATIVE PROPERTY?
ESTIMATE
3.2 x 184 =
What is 600?
How many decimal places would you expect in the product of 3.24 x 0.5?
What is THREE?
Place the decimal correctly in the problem:
0.05 x 12.4 = 62
What is 0.62?