Expressions
2 + (3 + 2) x 10
62
3 x 2/10
6/10
3568 divided by 4
892
2/5 + 2/3 - 1/2
17/30
Which shows the fraction 29/100 in decimal form? a) 0.029 b) 0.29 c) 2.09 d) 2.90
B
5 + 10 ÷ 2 x 4 -3
22
4/5 x 2/3
8/15
365 divided by 24
15 5/24
5 1/12 - 2 2/3
3 5/12
To visit his grandmother, Luis takes a train 6.37 kilometers and a car 5.45 kilometers. What is the total length of his journey?
11.82
Write an expression matches the statement, “the sum of 2 and 4 subtracted from 9”
9 - (2 + 4)
342 x 958
327, 636
The students in Ms. Blanco’s class worked a total of 45 hours at a garden. There are 20 students in Ms. Blanco’s class, and each student worked the same number of hours. How many hours did each student work at the garden?
A. 2 1/9
B. 2 1/4
C. 2 1/3
D. 2 3/4
B. 2 1/4
Add: 3 3/5 + 6 6/15
10
Orla and Eduardo each looked at a strand of their hair under a microscope and measured the diameter. Orla's strand was 0.005cm in diameter, and Eduardo's strand was 0.012cm in diameter.
How much greater was the diameter of Eduardo's hair?
0.007cm
Steven is playing a video game. At a certain point in the game, he has 25,700 points. Then the following events happen, in order:
He gains an additional 4,200 points.
He loses 3, 398 points.
The game ends, and his score doubles.
Write an expression for the number of points Steven has at the end of the game. Do not evaluate the expression. The expression should keep track of what happens in each step listed above.
(25,700 + 4,200 - 3,398) x 2
Claire walked 2 2/5 miles. Jason walked 2/3 as far as Claire. How many miles did Jason walk?
24/15 = 1 9/15 miles
During another week, 15 students in Ms. Blanco’s class worked a total of 48 hours in the same garden. Each of the 15 students worked the same number of hours. Between what two whole numbers is the number of hours worked by each student in the garden?
A. 2 and 3
B. 3 and 4
C. 4 and 5
D. 5 and 6
B. 3 and 4
Ben practiced the piano for 1/2 hour after school and then practiced the guitar for 4/5 hour. How much time did Ben practice playing the guitar and the piano? Express your answer as a fraction.
13/10 = 1 3/10 hr.
Terry is making meatballs. She made 24 meatballs each weighing 5.78 grams. What is the weight of all the meatballs all together?
138.72 grams
Steven’s sister plays the same game. When she is finished playing, her score is given by the expression
3(21,500 - 4,172) + 6,038
Describe a sequence of events that might have led to Steven’s sister earning this score.
Estimate the product of 3 and 29,348
90,000
Some 5th graders were going on a field trip. There were 165 students. Each bus holds 42 students when full. How many buses will they need to get to take all the students on the trip?
4 buses
Jake says 5/8+1/2 is 6/10. Explain to Jake why his answer is not reasonable.
Jake's answer is not reasonable because 5/8 is greater than 1/2 and 1/2 + 1/2 is 1 whole. So, Jake's answer should have been greater than 1.
Gina is making meatballs for a family dinner. He needs ground turkey and ground beef to make the meatballs. Ground turkey costs $3.50 per pound. Terry buys 4.6 pounds of ground turkey.
Part A: What is the total cost, in dollars, for 4.6 pounds of ground turkey? Show or explain how you got your answer.
$16.10