5.NBT.1-2
10.79 x 103
10,790
2.2 x 5.5
12.1
If 3 feet = 1 yd, then 9 feet =? yd
3 yd
5 x (19-2)
85
1/2 + 1/4
3/4
191.39 x 100
19,139
191.7 - 123.37
68.33
If 1 m = 100 cm, then 4 m =? cm
400 cm
[5 x (192 + 8)]
1000
7/8 - 2/4
3/8
What two things should I look for when multiplying and dividing by powers of ten?
1. Sign
2. Exponent or Number of zeros
1912.179 + 139.13
2051.309
If 1L = 1000ml, then 15000ml =? L
15L
{3 x [19 +(12/2)]}
75
3/4 x 2/5
6/20
What is the relationship between the "1" in the thousands place and the "1" in the tens place?
1010
The 1 in the thousands place is 100x the 1 in the tens place.
1200 divided by 1.2
1000
1yd = 3ft
1ft = 12in
36in =? yd
1yd
Solve - ten divided by the product of two and one
10/(2x1)
5
9/10 divided by 1/2
Keep Change Flip
9/10 x 2/1
18/10
Which comparisons are true?
A. 70.79 is 1/10 of 707.9
B. 70.79 is 1/10 of 700.79
C. 70.79 is 10x 707.9
D. 70.79 is 10x 7.079
A, D
4.4 divided by 2.2
2
2L =? ml
2000ml
Solve - The product of three hundred and two divided by six
(300 *2) / 6
100
1 3/4 - 1 1/2
1/4