TOPIC 1
Compare the values of the digit 4 in the numbers 3,245 and 8,407. Which statement is correct?
A. Its value in 3,245 is 4. Its value in 8,407 is 400. Its value in 8,407 is 100 times as its value in 3,245.
B. Its value in 3,245 is 40. Its value in 8,407 is 400. Its value in 8,407 is 10 times as much as its value in 3,245.
C. Its value in 3,245 is 45. Its value in 8,407 is 407. Its value is 100 times as much as its value in 3,245.
B. Its value in 3,245 is 40. Its value in 8,407 is 400. Its value in 8,407 is 10 times as much as its value in 3,245.
Laura's kitten weighs 86.2 ounces. Chelsey's kitten weights 67.74 ounces. Write an expression that shows how much more Laura's kitten weighs than Chelsey's kitten? How much more does Laura's kitten weigh?
86.2 - 67.74
18.46
A 112-page magazine has 47 lines on each page. What is the total number of lines in the entire magazine?
5,264 total lines
When multiplying a number by 10 to the fourth power, how is the decimal point moved?
4 places to the right
The PS#2 PTO bought 7,200 flower bulbs. If 80 bulbs can be planted in each flower bed, how many flower beds are needed to plant all the bulbs?
7,200 divided by 80 = 90
Name the value of the 3's in the number 13,313.
3,000;
300;
3
Drew pays a total of $47.47 for a bat and two gloves. The bat costs $12.42. How much do the gloves cost?
$35.05
Jackie bought 22 rolls of tape for a craft project. There are 267 inches of tape on each roll. What is the total length of tape on all of the rolls?
5,874 inches
Janet rides her bike 6.8 miles. Ben rides his bike 0.85 times as far as Janet. Write an expression that shows how far Ben rides his bike? How far does Ben ride his bike?
6.8 x 0.85
5.78
31 cards in each stack
Write the following in standard form... two and three hundred ten thousandths
2.310
If two gloves cost $33.98 and one glove costs $15.74. How much does the other glove cost?
$18.24
Harold worked 278 hours during the summer and earned $16 for each hour he worked. Which is the closest estimate for the total?
A.$4,500
B.$5,000
C.$5,500
D. $6,000
A.$4,500
Nicole works 22.5 hours every week. If she earns $9.50 per hour, how much does she earn in one week?
$213.75
Mrs. Reiss has 264 crayons for her art class of 22 students. How many crayons will each student get if the crayons are divided equally?
12 crayons
Alyssa shaded 30 squares on a hundredths grid. Hunter shaded 60 squares on a hundredths grid.
Write two decimals greater than Alyssa's decimal and less than Hunter's decimal. HINT: Think fractions and then change it to decimals that are larger and smaller
Any decimals 0.31 or higher work for Alyssa
Any decimals 0.59 or lower work for Hunters
The pyramid measured 143.5 meters high. The other pyramid measures 65.5 meters high. What is the difference in the heights of the two pyramids?
78 meters
Jax does 185 jumping jacks every day in March. There are 31 days in March. Write an equation that represents the best estimate for the total number of jumping jacks he does in March.
185 x 31 = 5,735
200 x 30 = 6,000
What is 0.3 x 0.8?
0.24
Shady Rivers summer camp has 188 campers this week. If there are 22 campers to each cabin, what is the least number of cabins needed?
A. 7 cabins C. 9 cabins
B. 8 cabins D. 10 cabins
How do you know?
C. 9 cabins
188/22= 8 cabins R 12 campers. Since 12 more campers need cabins, a 9th cabin is necessary.
Round 1,345.062 to the tenths place.
1,3465.1
A balloon mural of the Chicago skyline measures 17.6m on one side and 26.21m on the other two sides. What is the perimeter of the mural?
87.62m
934 x 72
67,248
Jack has 38 pieces of house siding. Each piece is 2.8 meters long. What is the best estimate for the total length of siding Jack bought.
The area of a rectangular banquet hall is 7,400 square feet. The length of one side of the hall is 82 feet. Explain how you can use compatible numbers to estimate the width of the hall.
HINT: Area= length x width
90 feet