A
59.0 + 5.4
64.4
2.0 - 0.6
1.4
6.3 + 8.9
15.2
15.9 - 13.1
2.8
9.3 + 7.8
17.1
What estimate is closest to the actual value of 2.99 * 3.14?
A. 7
B. 8
C. 9
D. 10
C
5.24 + 3.68
9.92
What estimate is closest to the actual value of 6.8999 * 5.0111?
A. 25
B. 30
C. 35
D. 40
B
19.67 - 3.88
15.79
What estimate is closest to the actual value of 14.999 / 3.116?
A. 3
B. 4
C. 5
D. 6
Select all the expressions that are greater than 3.
A. 1.67 + 1. 39
B. 2.97 + 0.0005
C. 3.017 - 0.06
D. 5.51 - 2.49
AD
If 4,368 / 4 = 1,092, then what is the quotient of 43.68 / 4?
10.92
Select all the expressions that are greater than 6.
A. 5.899 + 0.0004
B. 3.87 + 3.0005
C. 12.323 - 6.25
D. 7.5551 - 1.6999
BC
Are they have the same quotient,
3,420 / 30 and 3.42 / 3?
No. The decimal in dividends is moved two placed to the left, while the decimal in divisors is moved only one place to the left. They are not equal.
Are they have the same quotient,
1640 / 1.5 and 16.4 / 0.015?
Yes. The decimals in both dividend and divisor are moved two places to the left.
12 car washes for $36.6
5 car washes for $15.5
Which one is a better deal? And how much will you save per item?
12 car washes for $36.6 is cheaper by about $0.05 per car.
12 oz. bag of chips for $3.40
3 oz. bag for $0.75
Which one is a better deal? And how much will you save per item?
3oz. bag is cheaper by about $0.03 per ounce
20 oz. bottle of soda for $1.80
12oz. bottle for $1.25
Which one is a better deal? And how much will you save per item?
20 oz. bottle of soda by about $0.01 per ounce
A dozen bagels for $7.80
a pack of 3 bagels for $2.10
Which one is a better deal? And how much will you save per item?
A dozen bagels by $0.05 per bagel
Martha sells apples in 5 lb. bags for $3.80
Steve sells apples in 3 lb. bags for $2.25
Which one is a better deal? And how much will you save per item?
The 3 lb. bag by $0.01 per pound