A
B
100
Which of the following is approximately equal to the sum below? 13.32 + 59.12 A. 72 B. 73 C. 71 D. 74
A. 72
100
Which of the following is approximately equal to the difference below? 82.762 - 22.834
60
200
Which of the following is approximately equal to the sum below? 14.8 + 55.34 A. 68 B. 69 C. 70 D. 71
C. 70
200
Which of the following is approximately equal to the difference below? 68.647 - 38.735 A. 29 B. 30 C. 32 D. 31
B
300
Which of the following is approximately equal to the difference below? 71.708 - 29.674 A. 42 B. 41 C. 44 D. 43
A. 42
300
Which of the following is approximately equal to the difference below? 75.691 - 33.666
42
400
Which of the following is approximately equal to the difference below? 82.791 - 59.889 A. 25 B. 24 C. 22 D. 23
D. 23
400
Which of the following is approximately equal to the sum below? 37.71 + 47.21
85
500
Miguel weighs his cats, Rex and Midnight. Rex weighs 9.61 kilograms, and Midnight weighs 3.46 kilograms. Miguel says that Rex weighs about 5.5 kilograms more than Midnight. Is his statement reasonable? A. No, because 9.61 kilograms is about 10 kilograms, and 3.46 kilograms is about 4 kilograms, so Rex weighs about 6 kilograms more than Midnight. B. Yes, because 9.61 kilograms is about 9.5 kilograms, and 3.46 kilograms is about 4 kilograms, so Rex weighs about 5.5 kilograms more than Midnight. C. No, because 9.61 kilograms is about 9.5 kilograms, and 3.46 kilograms is about 3.5 kilograms, so Rex weighs about 6 kilograms more than Midnight. D. Yes, because 9.61 kilograms is about 9 kilograms, and 3.46 kilograms is about 3.5 kilograms, so Rex weighs about 5.5 kilograms more than Midnight.
C
500
On Sunday, Alanna made soup. She used 1.9 liters of chicken broth and 2.4 liters of vegetable broth. She says that she used about 4.5 liters of broth in all. Is her statement reasonable? A. No, because 1.9 liters is about 1.5 liters, and 2.4 liters is about 2.0 liters, so she used about 3.5 liters of broth. B. Yes, because 1.9 liters is about 1.5 liters, and 2.4 liters is about 3.0 liters, so she used about 4.5 liters of broth. C. No, because 1.9 liters is about 2.0 liters, and 2.4 liters is about 3.0 liters, so she used about 5.0 liters of broth. D. Yes, because 1.9 liters is about 2.0 liters, and 2.4 liters is about 2.5 liters, so she used about 4.5 liters of broth.
D