Grade 4 - Progress in Mathematics

Estimate mentally. Then find the product.

1. 201 2. 132 3. 312 4. 402 5. 611
   
   44
   23
   11
   31
   43


2. 242 7. 404 8. 723 9. 312 10. 841
   
   33
   32
   24
   42
   56


3. 492 12. 387 13. 525 14. 906 15. 759
   
   67
   75
   98
   86
   52


4. $ 2.37 17. $ 4.99 18. $ 8.17 19. $ 6.30 20. $ 7.88
   
   45
   68
   39
   53
   47

Multiply.

21. 84
    634 22. 52
    928 23. 79
    837


22. 24
    $ 5.09 25. 59
    $ 3.25 26. 46
    $ 9.72

When you do not need an exact answer, you may

be able to estimate to solve a problem.

Use the table on page 152 to solve each problem.

Estimate or find an exact answer. Then explain

how you solved each.

27. How many beads did Tim use? 28. Did Letisha use more or
    fewer beads than Tim?


28. Did Marc and Robin use about 30. Who used the most beads?
    the same number of beads? How many beads did that
    person use?

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