Bank
Dimensional Analysis: Calculating Dosages Safely, 3rd Edition
Whole Numbers
Tracy Horntvedt
Test
C HAPTER 1
1. Which of the following is an incorrect classification of a number?
1. Inverse
2. Rational
3. Decimals
4. Fractions
2. Place these mathematical operations in the order that they should be performed:
a. Perform operations that require adding or subtracting, starting from left to right.
b. Perform operations that are inside the parentheses first.
c. Perform operations that require multiplying or dividing, starting from left to right.
1. c, b, a
2. b, c, a
3. a, b, c
4. a, c, b
3. Which numbers are considered whole numbers? Select all that apply.
1. 10,000
2. 0.6
3. 7
4. 3/5
4. Which sign(s) indicate that a division operation should be performed? Select all that apply.
1. ×
2. /
3. ÷
4. –
5. Which sign(s) indicate that a multiplication operation should be performed? Select all that
apply.
1. +
2. /
3. *
4. x
6. Which of the equations below correctly indicates the distributive property of number?
1. 10 + 7 = 7 + 10
2. (3 + 6) + 8 = 3 + (6 + 8)
3. (14 x 2) x 3 = 14 x (2 x 3)
4. 9 x (7 + 1) = (9 x 7) + (9 x 1)
Whole Numbers-1
, 0
Dimensional Analysis: Calculating Dosages Safely, 3rd Edition
7. For
Tracy the number 2,875,634, which number is in the hundreds place?
Horntvedt
© 2 1.23 2
2. 8
3. 6
4. 4
8. For the number 342,916, which number is in the ten-thousands place?
1. 3
2. 4
3. 1
4. 9
Calculate the following equations.
9. 12 + 42 = ________
10. 6,157 + 816 = ________
11. 8,153,757 + 4,514 = ________
12. 54 – 36 = ________
13. 845 – 627 = ________
14. 48,685 – 7,526 = ________
15. 16 × 8 = ________
16. 84 × 75 = ________
17. 120 x 231 = ________
18. 16 ÷ 4 = ________
19. 153 ÷ 17 = ________
20. 1000 ÷ 8 = ________
Whole Numbers-2
, 0
Dimensional Analysis: Calculating Dosages Safely, 3rd Edition
ANSWERS
Tracy Horntvedt
© 2 23
Whole Numbers
CHAPTER 1
1. Which of the following is an incorrect classification of a number?
1. Inverse
2. Rational
3. Decimals
4. Fractions
ANS: 1
Rationale: Numbers may be expressed as integers, rational or irrational numbers, real
numbers, fractions, decimals, whole numbers, or factors. Inverse in not a classification of a
number.
2. Place these mathematical operations in the order that they should be performed:
a. Perform the operations that require adding or subtracting, starting from left to right.
b. Perform the operations that are inside the parentheses first.
c. Perform the operations that require multiplying or dividing, starting from left to right.
1. c, b, a
2. b, c, a
3. a, b, c
4. a, c, b
ANS: 2
Rationale: This is the correct order for performing mathematical operations.
3. Which of these numbers are considered whole numbers? Select all that apply.
1. 10,000
2. 0.6
3. 7
4. 3/5
ANS: 1, 3
Rationale: Whole numbers are called natural numbers or counting numbers. They include 0
and all positive numbers such as 1, 2, 3, 4 and so on.
4. Which signs indicate that a division operation should be performed? Select all that apply.
1. ×
2. /
3. ÷
4. -
ANS: 2, 3
Whole Numbers-3
, 0
Dimensional Analysis: Calculating Dosages Safely, 3rd Edition
Rationale:
Tracy HorntvedtThe symbols / and ÷ indicate division. The other symbols indicate multiplication
© 2 and
23 subtraction.
5. Which sign(s) indicate that a multiplication operation should be performed? Select all that
apply.
1. +
2. /
3. *
4. x
ANS: 3, 4
Rationale: The symbols x and * indicate multiplication. The other symbols indicate addition
and division.
6. Which of the equations below correctly indicates the distributive property of number?
1. 10 + 7 = 7 + 10
2. (3 + 6) + 8 = 3 + (6 + 8)
3. (14 x 2) x 3 = 14 x (2 x 3)
4. 9 x (7 + 1) = (9 x 7) + (9 x 1)
ANS: 4
Rationale: The distributive property demonstrates that multiplication must be “distributed”
to all terms inside a bracket (a x (b + c) – (a x b) + (a x c). Answer1 demonstrates the
commutative property; answer 2 and 3 demonstrates the associative property.
7. For the number 2,875,634, which number is in the hundreds place?
1. 2
2. 8
3. 6
4. 4
ANS: 3
Rationale: The place value in the hundreds place is the third value from right to left.
8. For the number 342,916, which number is in the ten-thousands place?
1. 3
2. 4
3. 1
4. 9
ANS: 2
Rationale: The place value in the ten-thousands place is the fifth value from right to left.
9. 12 + 42 = ________
ANS: 54
10. 6,157 + 816 = ________
ANS: 6,973
Whole Numbers-4
