D771 WGU Quantitative Literacy
Study online at https://quizlet.com/_hu5jgk
1. What is an equation? A math statement showing two expressions are equal, con-
nected by an equal sign (=).
2. What is an expression? A math phrase without an equal sign.
3. Example of an equation? 8 + 3 = 11.
4. Example of an expression? 8 + 3.
5. How do you solve for an un- Apply the same operation to both sides until the unknown is
known in an equation? isolated.
6. What is a variable? A symbol (like x) that represents an unknown value.
7. What is a constant? A fixed value that does not change.
8. What is a coefficient? A number multiplied by a variable (in 5x, 5 is the coefficient).
9. How do you multiply fractions? Multiply numerators together and denominators together.
10. How do you divide fractions? Multiply by the reciprocal of the divisor.
11. How do you add/subtract frac- Rewrite with a common denominator, then add/subtract nu-
tions? merators.
12. What is a reciprocal? The flipped version of a fraction (e.g., 3/4 ’4/3).
13. What does percent mean? Per hundred.
14. How do you convert a decimal Multiply by 100. (0.25 ’25%).
to a percent?
15. How do you convert a percent Divide by 100. (75% ’0.75).
to a decimal?
1/7
, D771 WGU Quantitative Literacy
Study online at https://quizlet.com/_hu5jgk
16. How do you find 10% of a num- Move the decimal one place to the left.
ber quickly?
17. Example: What is 25% of 200? 200 × 0.25 = 50.
18. What is a ratio? A comparison of two numbers (e.g., 2:3).
19. What is a rate? A ratio with different units (e.g., miles/hour).
20. What is a unit rate? A rate with denominator of 1 (e.g., $2 per slice).
21. What is a proportion? An equation showing two ratios are equal.
22. How do you solve a propor- Cross multiply and divide.
tion?
23. Example: 3/4 = x/12. Solve for x = 9.
x.
24. How do you find the perimeter 2 × length + 2 × width.
of a rectangle?
25. Example: Rectangle 10 ft by 14 48 ft.
ft perimeter?
26. What is the circumference of a Distance around a circle.
circle?
27. Formula for circumference us- C = π × diameter.
ing diameter?
28. Formula for circumference us- C = 2πr.
ing radius?
29. Approximate value of π? 3.14.
2/7
Study online at https://quizlet.com/_hu5jgk
1. What is an equation? A math statement showing two expressions are equal, con-
nected by an equal sign (=).
2. What is an expression? A math phrase without an equal sign.
3. Example of an equation? 8 + 3 = 11.
4. Example of an expression? 8 + 3.
5. How do you solve for an un- Apply the same operation to both sides until the unknown is
known in an equation? isolated.
6. What is a variable? A symbol (like x) that represents an unknown value.
7. What is a constant? A fixed value that does not change.
8. What is a coefficient? A number multiplied by a variable (in 5x, 5 is the coefficient).
9. How do you multiply fractions? Multiply numerators together and denominators together.
10. How do you divide fractions? Multiply by the reciprocal of the divisor.
11. How do you add/subtract frac- Rewrite with a common denominator, then add/subtract nu-
tions? merators.
12. What is a reciprocal? The flipped version of a fraction (e.g., 3/4 ’4/3).
13. What does percent mean? Per hundred.
14. How do you convert a decimal Multiply by 100. (0.25 ’25%).
to a percent?
15. How do you convert a percent Divide by 100. (75% ’0.75).
to a decimal?
1/7
, D771 WGU Quantitative Literacy
Study online at https://quizlet.com/_hu5jgk
16. How do you find 10% of a num- Move the decimal one place to the left.
ber quickly?
17. Example: What is 25% of 200? 200 × 0.25 = 50.
18. What is a ratio? A comparison of two numbers (e.g., 2:3).
19. What is a rate? A ratio with different units (e.g., miles/hour).
20. What is a unit rate? A rate with denominator of 1 (e.g., $2 per slice).
21. What is a proportion? An equation showing two ratios are equal.
22. How do you solve a propor- Cross multiply and divide.
tion?
23. Example: 3/4 = x/12. Solve for x = 9.
x.
24. How do you find the perimeter 2 × length + 2 × width.
of a rectangle?
25. Example: Rectangle 10 ft by 14 48 ft.
ft perimeter?
26. What is the circumference of a Distance around a circle.
circle?
27. Formula for circumference us- C = π × diameter.
ing diameter?
28. Formula for circumference us- C = 2πr.
ing radius?
29. Approximate value of π? 3.14.
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