Rounding and negative numbers

Worksheet: Rounding and negative numbers

Name:Class:

Answer the questions.

1. What is 63 rounded to the nearest 10?
   a) 50b) 60c) 65d) 70
2. What is 450 rounded to the nearest 100?
   a) 400b) 450c) 500d) 550
3. What is 3,640 rounded to the nearest 1000?
   a) 3000b) 3600c) 3700d) 4000
4. What is 1,284 rounded to the nearest 100?
   a) 1000b) 1200c) 1280d) 1300
5. To estimate 48 + 31, which sum of rounded numbers is best?
   a) 40 + 30b) 40 + 40c) 50 + 30d) 50 + 40
6. Round 318 and 487 to the nearest 100, then add. What is the total?
   a) 600b) 700c) 800d) 900
7. Count back: 3, 2, 1, 0, … What number comes next?
   a) -1b) -3c) 0d) 1
8. The temperature is 2°C and falls by 5 degrees. What is it now?
   a) -2°Cb) -3°Cc) -7°Cd) 3°C
9. Which temperature is the coldest?
   a) -2°Cb) -5°Cc) -8°Cd) 0°C
10. Which Roman numeral means 40?
    a) LXb) LXXc) XCd) XL
11. -4 is greater than -1.
    a) Trueb) False
12. 3,500 rounded to the nearest 1000 is 4000.
    a) Trueb) False
13. The Roman numeral XIV stands for 14.
    a) Trueb) False
14. What is 7,951 rounded to the nearest 1000?
15. Start at 4 and count back 6. Which number do you reach?
16. Write 94 in Roman numerals.