Numbers Worksheet-19

Numbers Worksheet-19

1. Add: 45  + (–12)

(a) 57                  (b) 45                  (c) 32                  (d) 33

2. Evaluate y – 9 for y = –7.

(a) –16               (b) 16                  (c) –2                 (d) 2

3. Multiply: (–4) (–8) (+3)

(a) –96               (b) –15               (c) 96                  (d) –9

4. Divide:

(a) 8                    (b) –7                 (c) –6                 (d) 7

5. Which is correct?

(a) (−5 − 3) > (−9 + 3)               (b) (−21 − 6) < (−34 + 8)

(c) (−7 + 12) <(−7 − 9)               (d) (−5 + 9) > (−9 + 17)

6. (−11) – (+5) − (−3) =?

(a) –13               (b) –3                 (c) 13                  (d) 13

7. On first week of January, the average temperature was −13 °F and in the second week, it was 5 °F cooler. What was the average temperature in the second week?

(a) 18 °F             (b) –8 °F           (c) 8 °F               (d) –18 °F

8. Subtract: –17 – (–34)

(a) –17                (b) –51               (c) 17                   (d) 51

9. An electric pole is 29 feet above ground level and 12 feet below ground level. What is the difference between the top and the bottom of the pole?

(a) 41 feet          (b) –41 feet       (c) 17 feet           (d) –17 feet

10. (15) × (–4) ÷ ((–5) × (–3) × (–2))

(a) 3                    (b) 3                    (c) –2                  (d) 5

11. How do you write 0.035 as percent?

(a) 0.35%           (b) 3.5%             (c) 35%               (d) 3.05%

12. Place the following numbers in order from least to greatest.

, 1.67, 0.045, 65%

(a) 0.045, 65% , 1.67               (b) 1.67, 65%, , 0.045

(c) , 0.045, 65%, 1.67              (d) 0.045, , 65%, 1.67

13. In a survey, 35% of students chose baseball as their favorite sport. Which of  these shows the fraction of students that didn’t choose baseball as their favorite sport?

(a)                  (b)                 (c)                 (d)

14. Write 0.75% as fraction.

(a)              (b)              (c)               (d)

15. Write 1.25 as a mixed number.

(a)                  (b)                 (c)                 (d)

16. Write as percent?

(a) 3%                 (b) 0.6%             (c) 60%              (d) 6%

17. Which of these is the smallest?

(a) 4.5%             (b) 0.23%          (c) 0.034           (d)

18. 0.004 is same as ______.

(a)               (b)            (c) 0.4%             (d) 0.04%

19. Which is another way of writing 41.8%?

(a) 0.418            (b) 4.18              (c)              (d) 0.0418

20. Which is equal to 150%?

(a) 1.05               (b) 0.15              (c) 1.5                 (d) 0.015

Answer Key:

(1)-(d); (2)-(a); (3)-(c); (4)-(d); (5)-(b); (6)-(a); (7)-(d); (8)-(c); (9)-(a); (10)-(b); (11)-(b); (12)-(d); (13)-(c); (14)-(a); (15)-(d); (16)-(d); (17)-(b); (18)-(c); (19)-(a); (20)-(c)