Add Deicmals
2.63 + 3.07
5.7 OR 5.70
9.4 - 4.8
4.6
Estimate 25.65 + 13.23 + 6.35 by rounding each number to the nearest tenth.
A. 26 + 13 + 6 = 45
B. 25.7 + 13.3 + 6.4 = 45.4
C. 25.6 + 13.2 + 6.3 = 45.1
D. 25.7 + 13.2 + 6.4 = 45.3
D
3.92 + 1.68
5.6 OR 5.60
8.5 - 1.8
6.7
Select each statement that 9.81 will make true
A. 12.47 – ⬜ = 2.66
B. 12.47 + ⬜ = 2.66
C. 14.08 – ⬜ = 4.17
D. 3.67 + ⬜ = 13.48
E. 11.43 – ⬜ = 2.96
A and D
Jada is putting a border around her rectangular garden. The garden is 12.63 meters long and 3.28 meters wide
PART A: Jada estimates the perimeter of her garden by rounding the length and width to the nearest whole number. Which equation shows her estimate?
A. 10 + 5 + 10 + 5 = 30 meters
B. 12 + 3 + 12 + 3 = 30 meters
C. 13 + 3 + 13 + 3 = 32 meters
D. 13 + 4 + 13 + 4 = 34 meters
PART B: Jada also estimates the perimeter of her garden by rounding the length and width to the nearest tenth. Which equation shows this estimate?
A. 12.6 + 3.2 + 12.6 + 3.2 = 31.6
B. 12.6 + 3.3 + 12.6 + 3.3 = 31.8
C. 12.5 + 3.5 + 12.5 + 3.5 = 32
D. 12.7 + 3.3 + 12.7 + 3.3 = 32
PART A: C
PART B: B
Jada is putting a border around her rectangular garden. The garden is 12.63 meters long and 3.28 meters wide
What is the exact perimeter of Jada’s garden?
31.82 meters
Select all the expressions that are equal to 4.19 + 6.53
A. 4.2 + 6.5
B. 16.75 – 6.03
C. 1.72 + 9
D. 15 – 4.38
E. 6.53 + 4.19
B, C, and E
Carter bought a fishing pole for $34.80 and a tackle box for $17.49.
PART A: What was the total amount he spent on the items?
PART B: Carter paid using 3 twenty-dollar bills. How much change did he receive?
PART A: $52.29
PART B: $7.71
Jessica has $50 to buy a jacket and a hat in the store. A jacket costs $39.08 and a hat costs $12.55. Jessica says she stays within the budget. Is she correct? Explain
A. Jessica is correct. $39.08 rounds to $30 and $12.55 rounds to $20, and $30 + $20 = $50
B. Jessica is correct. $39.08 + $12.55 = $51.63, which is less than $50
C. Jessica is correct. $39.08 rounds to $40 and $12.55 rounds to $10, and $10 + $40 = $50
D. Jessica is incorrect. $39.08 + $12.55 = $51.63, which is greater than $50
D
Todd swam three trials of the 50-meter freestyle. His time was 32.15 seconds for the first trial, 31.67 seconds for the second trial, and 30.55 seconds.
Part A:
What was the combined total for all the trials?
Part B:
How much faster was Todd’s second trial than his first trial?
Part A: 94.37 seconds
Part B: 0.48 seconds
Rectangle 1 has an area of 60.81 square centimeters. Rectangle 2 has an area of 61.44 square centimeters. Rectangle 3 has an area of 35.52 square centimeters. Rectangle 4 has an area of 47.88 square centimeters.
PART A: Which two rectangles have the greatest difference in area?
PART B: Look at your answer to Part A. What is the difference between those two rectangles’ areas?
PART A: rectangles 2 and 3
PART B: 25.92 square centimeters
Traci spent $1.19 on a pack of gum and $0.95 on lip balm.
Part A:
Which expression gives the total amount Traci spent?
A. 1.19 – 0.95
B. 1.19 + 0.95
C. 1.19 + 0.59
D. 1.19 + 1.19
Part B:
What was the total amount Traci spent?
Part A: B
Part B: $2.14