Adding / Subtracting Decimals
4.105 + 3.685=
7.790
0.5 X 0.4=
0.2
6,322/109
Estimate:
Quotient:
Estimate: 60
Quotient: 58
270.72/6
45
The area of a rectangle is 69.75 square inches. The rectangle has a length of 9.3 inches. What is the width of the rectangle?
7.5
0.089-0.075=
0.014
2.3 x 0.6=
1.38
3,045/85
Estimate:
Quotient:
Remainder:
Estimate: 40
Quotient:35
Remainder:82
322.56/25.6
12.6
The price of a gallon of gasoline is 2.389. How much does it cost to fill an empty 12.5-gallon gas tank?
A.
Write an expression you could use to find the cost.
B.
Calculate the cost of filling the gas tank. Round your answer to the nearest whole cent.
A. 12.5 x 2.389
B. 29.8625
1.25+2.39=
3.64
10.05 x 5.6=
56.2800 or 56.28
4,995/333
Estimate:
Quotient:
Remainder:
Estimate:12
Quotient:15
Remainder:0
5.44/3.4
1.6
10.26 + 7.55 =
17.81
Babe Ruth, a professional baseball player known for hitting home runs, had a batting average of 0.342. Hank Aaron, another record home run hitter, had a batting average of 0.305. How much greater was Babe Ruth’s batting average than Hank Aaron’s?
0.037
Antwon says that he can multiply 14 and
12 to find the product of 0.14 × 0.12. Is Antwon correct? Explain your reasoning.
No, Because...
An office building is renting offices that each have an area of 500 square feet. The office building is renting a total of 7,000 square feet of offices. How many offices does the building have to rent?
14
Sadie spent $12.46 to download songs that were on sale for $0.89 each. How many songs did she download?
14
231.65 + 0.45 =
232.1
Is the following addition problem correct?Explain.
13.805+12.738=25.533
No, The correct answer is 26.543 Because...
Colin needs 14.5 yards of fabric to cover a sofa. The fabric he likes costs $7.95 per yard. Write an expression that represents the cost of the fabric. Then simplify the expression to find the cost. Round to the nearest hundredth.
115.2750 (part 1)
115.28 (part 2)
At a paper mill, paper is placed into reams, or stacks of 500 sheets. A robot separates big stacks of sheets into reams. How many reams can the robot make with 9,500 sheets of paper?
19
Greta has a bag full of Lincoln pennies. She knows that a Lincoln penny has a mass of 2.5 grams. The total mass of the pennies in her bag is 1,320 grams. How many pennies does Greta have?
528
A table is 73.66 centimeters tall. An iguana tank on the table is 76.34 centimeters tall. Will the table and tank fit beneath a shelf that is 157.16 centimeters off the floor? Explain your reasoning.
73.66+76.34= 150
150<157.17 therefore.....