T101 Supplemental Review Whole Numbers
1. What property of operations on whole numbers is used in each of the following?
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a) (4 + 5) + 7 = 4 + (5 + 7) |
b) 3(5 + 6) = 3 |
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c) xy + yx = xy + xy |
d) b = 1 |
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e) 7 + (3 + 4) = (3 + 4) + 7 |
f) 3 |
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g) 4 + 0 = 4 |
h) 3(6 + 4) = (6 + 4)3 |
2. Select the computations that equal 0.
a) 5 - 5
b)
c)
d)
4(2 - 2) e)
f)
g)
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3. What numbers are represented by the following Roman symbols?
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a) XXIX |
b) MCMLXXVI |
c) MDCCLXIX |
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d) |
e) |
f) |
4. Write the following as Roman numerals:
a) 76 b) 101 c) 189 d) 44 e) 148 f) 948
5. The Red River Ecology Club had a paper drive and collected 3 truckloads of paper. Each
truck carried 3 large boxes of paper; each box contained 3 bales of paper; and each bale
contained 3 stacks of paper. How many stacks of paper were there in all?
6. For each of the following pairs of numbers, let a be the first number of the pair and b the
second number. Find whole numbers q and r for each pair such that a = bq + r,
where 0
r
< b.
a) 72, 11 b) 16, 9 c) 11, 18 d) 106, 13 e) 25, 39 f) 54, 9
7. Compute using the lattice method of multiplication.
a)
b)
8. Write the first 20 counting numbers in base 7 and base 3.
9. Name 15 in each of the following bases: a) 2 b) 5 c) 7 d) 12
10. Write each of the following as a base ten numeral:
a) 157nine b) E6twelve c) 504six d) 2010four e) 430eight f) T032twelve
11. Find the base indicated by the letter b.
a) 67ten = 61b b) 12ten = 1100b c) 234ten = 176b
12. Change the following numerals to the base indicated:
a) 231four to base 12 b) 27TEtwelve to base six
13. Change to base twelve:
a) 9 b) 35 c) 55 d) 285 e) 100 f) 5280
14. a) 3152six b) 30213four c) 316eight d) 110001three
12three
+4525six
-13232four
74eight
Solutions T101 Supplemental Review Whole Numbers and Other Bases
1. a) Associative of + b) Distributive of Multiplication over Addition
c) Commutative of X d) Multiplicative Identity
e) Commutative of + f) Commutative of X
g) Additive Identity h) Commutative of X
2. a, b, d, e
3. a) 29 b) 1976 c) 1769 d) 11,011 e) 10,000,649 f) 3,000,644
4. a) LXXVI b) CI c) CLXXXIX d) XLIV e) CXLVIII f) CMXLVIII
5. 81 stacks
6. a)
b)
c)
d)
e)
f) ![]()
7. a) 5,984 b) 646,272
8. 1 2 3 4 5 6 10 11 12 13 14 15 16 20 21 22 23 24 25 26
1 2 10 11 12 20 21 22 100 101 102 110 111 112 120 121 122 200 201 202
9. a) 1111two b) 30five c) 21seven d) 13twelve
10. a) 133 b) 138 c) 184 d) 132 e) 280 f) 17318
11. a) b = 11 b) b = 2 c) b = 12
12. a) 231four = 45ten = 39twelve b) 27TEtwelve = 4595ten = 33135six
13. a) 9twelve b) 2Etwelve c) 47twelve
d) 1E9twelve e) 84twelve f) 3080twelve
14. a) 12121six b) 10321four c) 30110eight d) 2102three