T101 - REVIEW Whole Numbers

1. Write 947 in Roman numerals. Use the following symbols:

I, V, X, L, M, C

2. Using the definition of "less than," state two inequalities that are true because

7 + 3 = 10.

3. Identify the property illustrated.

11 + 16 is a whole number.

4. Rewrite the following division sentence as a multiplication sentence; then rewrite

the multiplication sentence as a new division sentence.

301, 204 257 = 1172

5. Identify the property illustrated.

3(11 + 13) = 3 11 + 3 13

6. Apply the distributive property of multiplication over addition to the following.

8x + 7x + 3x + 6x

7. If it takes 30 seconds to make each cut, how long will it take to cut 15 boards that

are 12 feet long into boards that are 4 feet long if only one board can be cut at a

time?

8. Find the missing numbers.

43

82

+ 36

1668

9. Estimate the answer using (a) front-end estimation and (b) grouping to nice

numbers estimation.

4201

401

5801

3101

2899

+ 601

10. I am thinking of a whole number. If I divide it by 11, then multiply by 13, then

subtract 23, and then add 55, I end up with 71. What was my original number?

T101 - REVIEW CHAPTER 3 SOLUTIONS

1. CMXLVII

2. 7 < 10, 3 < 10

3. Closure property of addition

4. 1172 257 = 301, 204

301, 204 1172 = 257

5. Distributive property of multiplication over addition

6. 24x

7. 15 minutes

8. 443

862

363

9. (a) 17,000 (Answers may vary.) (b) 17,000 (Answers may vary.)

10. 33