I. From 5th grade Investigations "Skill Check 5", administered in mid November:

STOP. Don't start yet. Star problems that may have odd answers.

1.

953

__× 7__

2.

624

__×80__

3.

53

__×46__

4.

87

__× 65__

5.

569

__× 37__

6.

___

6|428

7.

___

80|646

8.

____

70|5,044

9.

____

31|1,984

10.

_____

49|3,3,43

II. From the Singapore Math Primary Mathematics 5A Workbook, Review I, pp. 20-21:

Estimate the value of

(a) 6903 × 22

(b) 8548 × 329

(c) 9869 × 899

(d) 37,496 ÷ 603

(e) 55,349 ÷ 7168

(f) 71,375 ÷ 8236

III. Extra Credit:

Solve for x:

In the next unit, students using curriculum x go on to actually calculate multi-digit multiplication and division problems.

## 1 comment:

What do they mean, star problems that MAY have odd answers?

By fifth grade, kids should know that:

o*o=o

e*o=e

e*e=e

There shouldn't be any 'may' involved!

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