1. Prerequisite Skills VOCABULARY CHECK Copy and complete using a review word from the list below. dividend, divisor, quotient ANSWER round 1. In the division equation 42 6 = 7, 42 is called the ?, 6 is called the ?, and 7 is called the ?. 2. If you ? 1723 to the nearest hundred, you get 1700. digitnumber lineless thangreater than rounddividenddivisorquotient estimate

2. Prerequisite Skills ANSWER digit 3. The ? in the tens’ place of the number 637 is 3. Copy and complete using a review word from the list below. digitnumber lineless thangreater than rounddividenddivisorquotient estimate VOCABULARY CHECK

3. Prerequisite Skills SKILL CHECK Round the number to the place value of the red digit. 4. 845 ANSWER 850 5. 12,047 6. 739,022 739,000 ANSWER 10,000 ANSWER 7. 2,993,438 3,000,000 ANSWER

4. Prerequisite Skills Estimate the sum or difference. ANSWER 1900 13,987 + 32,053 9. 54,036 ANSWER 100,000 8. 905 782 + 179 SKILL CHECK

5. Prerequisite Skills Estimate the sum or difference. 10. 2874 – 1951 ANSWER 1000 11. 26,780 – 17,702 ANSWER 9000 SKILL CHECK

6. Prerequisite Skills ANSWER 56 ANSWER 10 12. 14 + 6 7 13. 12 2 + 4 Evaluate the expression. ANSWER 33 5252 14. 2 4 + 15. 5 – 2 2 ANSWER 1 SKILL CHECK