Product
2.13 x 2 = ?
4.26
2.65x4.35
8-12
2.21 x 3.42
2x3=6
What is range?
two numbers where in between the answer can be found.
What does about mean?
Estimate?
3.32 x 3 =?
9.96
1.45x3.54
3-4
4.32 x 3.52
16
What is estimating?
the approximate answer, found by rounding.
3.4x10^4
34000
4.5 x 6.3 =?
28.35
4.6x4.4
16-20
5.64 x 7.82
48
What is product?
The answer to multiplication problem.
How does 5.6 compare to 56
it is 1/10
7.4 x 4.4 =?
32.56
2.7x3.2
6-9
6.75 x 5.32
35
What are the strategies for multiplying Decimals?
Algorithm: Area Model
If 2.8 is 1/10 of 28, then 2.8 x 24 is _____ of the product of 28 x 24
1/10
9.89 x 9 = ?
89.01
5.2x7.5
35-40
8.76 x 8.51
81
What are Decimal grids used for?
To represent Decimal, products/ equations.
2.54 x 10 ^5
1. Write multiplication expressions
2. Write the product
2.54 x 10 x10 x10 x 10 x 10
2.54 x 100,000
254000