4_4_1_S ( Mathematics )

© 2009 -2011 tutorco.com 1 Q1. Round these numbers to the nearest tens. 78 ________ 64 ________ 86 ________ 139 _______ 98 _______ Q2. Round 248 to the nearest hundreds. Q3. Round 261 to the nearest hundreds. Q4. Round 574 to the nearest hundreds. Q5. Round 302 to the nearest tens. GRADE 4 TOPIC: MULTIPLICATION 4/4/1/S © 2009 -2011 tutorco.com 2 Q6. Round 377 to the nearest hundreds. Q7. Estimate products by rounding the factors to the biggest place value. (nearest hundreds or nearest tens) a. 158 × 32 ___________ x ________ = ________ b. 278 × 56 __________ x __________ = _________ c. 29 × 94 __________ x _________ = ___________ d. 102 × 67 __________ × ___________ = __________ © 2009 -2011 tutorco.com 3 Q8. Circle the best estimate. 1. 103 × 52 6000 500 5000 2. 42 × 76 4000 3200 2800 3. 319 × 25 6000 7500 9000 4. 17 × 17 1000 200 400 Q9. Estimate the product by rounding the factors to the biggest place value. 9 x 9 = Q10. Estimate the product by rounding the factors to the biggest place value. 11 x 6 = © 2009 -2011 tutorco.com 4 Q11. Estimate the product by rounding the factors to the biggest place value. 158 x 32 = Q12. Estimate the product by rounding the factors to the biggest place value. 29 x 94 Q13. Estimate the product by rounding the factors to the biggest place value. 88 x 99 Q14. Estimate the product by rounding the factors to the biggest place value. 47 x 21 Q15. Estimate the product by rounding the factors to the biggest place value. 39 x 85 © 2009 -2011 tutorco.com 5 Q16. Estimate the product by rounding the factors to the biggest place value. 98 x 32 Q17. Estimate the product by rounding the factors to the biggest place value. 56 x 65 Q18. Estimate the product by rounding the factors to the biggest place value. 82 x 75 Q19. Estimate the product by rounding the factors to the biggest place value. 79 x 22 Q20. Estimate the product by rounding the factors to the biggest place value. 66 x 33 © 2009 -2011 tutorco.com 6 Q21. Estimate the product by rounding the factors to the biggest place value. 770 x 44 Q22. Estimate the product by rounding the factors to the biggest place value. 486 x 21 Q23. Estimate the product by rounding the factors to the biggest place value. 209 x 27 Q24. Estimate the product by rounding the factors to the biggest place value. 236 x 28 Q25. Estimate the product by rounding the factors to the biggest place value. 246 x 38 © 2009 -2011 tutorco.com 7 Q26. Estimate the product by rounding the factors to the biggest place value. 406 x 19 Q27. Estimate the product by rounding the factors to the biggest place value. 411 x 9 Q28. Estimate the product by rounding the factors to the biggest place value. 243 x 24 Q29. Nelly counted the matches in a match box and got 58. How many matches approximately are there in 8 boxes? Q30. Aunt Jeanie's chickens lay about 28 eggs a day. How many eggs will be there after approximately 9 days?