Multiple Choice

1. Why is rounding often used in real life math problems?

   To estimate quickly.

   To make numbers exactly correct.

   To calculate the average faster.

   To find the exact value quickly.

2. When rounding a whole number, if the digit immediately to the right of the target place is $4$, what should you do to the target digit?

   Increase it by one.

   Turn it into a $5$.

   Keep the target digit the same.

   Change it to zero.

3. If the digit used to predict rounding is $7$, what is the rule for the target digit?

   Decrease the target digit by one.

   Increase the target digit by one.

   Change the target digit to $0$.

   Keep the target digit the same.

4. When rounding the number $672$ to the nearest ten, which digit tells us whether to round up or down?

   The $0$ (implied).

   The $7$ (tens place).

   The $2$ (ones place).

   The $6$ (hundreds place).

5. Round $43$ to the nearest ten.

   $45$

   $50$

   $30$

   $40$

6. Round $85$ to the nearest ten.

   $80$

   $95$

   $90$

   $70$

7. Round the number $127$ to the nearest ten.

   $125$

   $130$

   $120$

   $100$

8. Round the number $451$ to the nearest ten.

   $455$

   $450$

   $460$

   $500$

9. Round the number $993$ to the nearest ten.

   $1,000$

   $990$

   $995$

   $900$

10. Round $789$ to the nearest ten.

    $780$

    $790$

    $799$

    $800$

11. Round $304$ to the nearest ten.

    $400$

    $300$

    $310$

    $305$

12. Round $160$ to the nearest hundred.

    $100$

    $260$

    $200$

    $150$

13. Round $349$ to the nearest hundred.

    $300$

    $350$

    $309$

    $400$

14. Round $915$ to the nearest hundred.

    $905$

    $920$

    $900$

    $1,000$

15. Round $550$ to the nearest hundred.

    $500$

    $650$

    $600$

    $590$

16. Round $1,288$ to the nearest hundred.

    $1,200$

    $1,300$

    $1,290$

    $1,000$

17. Round $4,100$ to the nearest thousand.

    $4,101$

    $4,200$

    $5,000$

    $4,000$

18. Round $7,654$ to the nearest thousand.

    $7,700$

    $8,654$

    $7,000$

    $8,000$

19. Round $12,500$ to the nearest thousand.

    $13,500$

    $13,000$

    $12,000$

    $12,999$

20. When rounding $3,499$ to the nearest thousand, which digit is the rounding predictor?

    The $9$ (ones place).

    The $3$ (thousands place).

    The $9$ (tens place).

    The $4$ (hundreds place).

21. Round $2,900$ to the nearest thousand.

    $2,000$

    $3,900$

    $2,800$

    $3,000$

22. Round $6,381$ to the nearest thousand.

    $6,000$

    $6,300$

    $7,000$

    $6,400$

23. In the decimal number $5.3$, what is the place value of the digit $3$?

    Tenths

    Ones

    Hundreds

    Hundredths

24. In the number $12.48$, what is the place value of the digit $8$?

    Tenths

    Thousandths

    Tens

    Hundredths

25. Round $4.2$ to the nearest whole number.

    $4.20$

    $5$

    $4$

    $4.0$

26. Round $9.5$ to the nearest whole number.

    $10.5$

    $9$

    $10$

    $9.0$

27. Round $25.17$ to the nearest whole number.

    $25$

    $25.2$

    $25.0$

    $26$

28. Round $1.83$ to the nearest whole number.

    $2$

    $1.9$

    $1$

    $1.8$

29. Round $0.34$ to the nearest tenth.

    $0.3$

    $1.0$

    $0.4$

    $0.35$

30. Round $5.67$ to the nearest tenth.

    $6.0$

    $5.77$

    $5.7$

    $5.6$

31. Round $10.91$ to the nearest tenth.

    $10.9$

    $10.0$

    $11.0$

    $10.99$

32. Round $2.45$ to the nearest tenth.

    $2.4$

    $3.0$

    $2.5$

    $2.55$

33. Round $7.98$ to the nearest tenth.

    $7.9$

    $7.10$

    $8.0$

    $7.0$

34. Round $15.03$ to the nearest tenth.

    $15.1$

    $15.0$

    $15.03$

    $15.3$

35. Round the whole number $3,059$ to the nearest hundred.

    $3,100$

    $3,060$

    $3,500$

    $3,000$

36. Round $6.50$ to the nearest whole number.

    $7.5$

    $7$

    $6$

    $6.5$

37. Round $18,499$ to the nearest thousand.

    $18,500$

    $18,000$

    $19,000$

    $17,000$

38. Round $777$ to the nearest ten.

    $700$

    $775$

    $770$

    $780$

39. Round $4.09$ to the nearest tenth.

    $5.0$

    $4.19$

    $4.1$

    $4.0$

40. What condition must be met by the predictor digit to round the target digit up?

    The digit must be less than $5$.

    The digit must be $1, 2, 3$, or $4$.

    The digit must be $5, 6, 7, 8$, or $9$.

    The digit must be $0$.