Decimals
A credit card is 0.76 mm thick. How thick is a stack of 10^3 credit cards?
760 mm
Estimate the sum of 3/4 and 1/5. Write an equation.
1; 3/4 is close to 1 and 1/5 is close to 0. 1+0=1
What is the equation for volume?
V = B x W x H
2 divided by 1/3
6
60 is 1/100 of ______.
600
Michelle bought 4.6 yards of fabric. Each yard of fabric cost $4.95. How much did Michelle spend on fabric?
$22.77
Sandra drove for 1/3 hour to get to the store. Then she drove 1/5 hour to get to the library. What fraction of an hour did Sandra drive in all?
8/15 of an hour.
One cereal box has a volume of 462 cubic inches. Another cereal box measures 12 inches tall, 8 inches long, and 3 inches wide. What is the combined volume of the two cereal boxes?
750 cubic inches
Complete the equation then explain how you got your answer. 4/5 X 3/7
12/35 ; Multiply 4 by 3 to get 12 and multiply 5 by 7 to get 35.
A national park has eighty thousand, nine-hundred twenty-three and eighty-six hundredths acres of land. What is this number in standard form?
80,923.86
Find the quotient 432 divided by 48.
9
Alicia had 3 1/8 feet of wood. She used 1 3/4 feet of wood. Estimate the amount of wood Alicia has left.
1 foot.
Ms. Kellson's storage closet is 3 feet long, 3 feet wide, and 7 feet high. Can she fit 67 boxes that each have a volume of 1 cubic foot in her closet? Explain your answer.
No; The volume of her closet is only 63 cubic feet and the volume of all the boxes is 67 cubic feet.
Archie can walk 1 mile in 1/3 hour. How far can he walk in 3 hours? Explain how you got your answer.
9 miles ; I divided 3 by 1/3.
0.05 is 10 times _____.
0.005
What is the value of the missing exponent?
720 divided by 10^___ = 0.720
3
Find 4 1/5 - 7/10.
3 1/2
A swimming pool is 50 meters long, 15 meters wide, and 3 meters deep. What is the volume of the pool?
2,250 cubic meters
Find the product of 8/9 times 4/5. then, write another equation with the same answer.
32/45 ; 8/3 X 4/15
The number below follow a pattern.
300, 30, 3, 0.3, ____, _____
What are the next two numbers?
0.03; 0.003
A board is 10.17 feet long. Sandy needs to cut the board into 3 equal sections. How long will each section be? How many sections would be needed for each section of the 10.17 foot-long board to be 5.085 feet each? Write an equation to model your work.
3.39 feet; 10.17 divided by 3 = 3.39
2 sections: 10.17 divided by 5.085 = 2
A baker uses food coloring to color cake batter. He needs 4 1/8 ounces of green food coloring. The baker only has 2 1/2 ounces. How much more green food coloring does he need? If the baker only finds 1 ounce of food coloring at the store, how many more ounces does the baker need?
1 5/8 ounces; 5/8 ounce
Martin's suitcase has a volume of 1,080 cubic inches. Lily's suitcase measures 9 inches wide, 13 inches long, and 21 inches high. What is the combined volume of the two suitcases?
3,537 cubic inches
Ivanna says that 2 4/9 equals 9 divided by 22. Is she correct, explain?
No; Ivanna reversed 9 and 22 in the expression. 2 4/9 = 9/9+9/9+4/9= 22 divided 9
In a basketball tournament, Dimitri averaged 12.375 rebounds per game. What is 12.375 written in expanded form? How is it written with number names?
10+2+3x1/10+7x1/100+5x1/1,000 ; twelve and three hundred seventy-five thousandths