1. Prerequisite Skills VOCABULARY CHECK Copy and complete using a review word from the list: data, equation, formula, simplest form, equivalent fractions. 2. The fractionsand are ?. 4 6 2 3 1. The fractionsis in but ?, 2 4 1 2 is not. ANSWERsimplest form ANSWER equivalent fractions

2. Prerequisite Skills VOCABULARY CHECK ANSWERequation A mathematical sentence that shows two expressions have the same value is called a(n) ?. 3. Copy and complete using a review word from the list: data, equation, formula, simplest form, equivalent fractions.

3. Prerequisite Skills SKILL CHECK Solve the equation. x 7 = 3 4. ANSWER 21 5. x 2 = 4 – ANSWER –8 6. –9x = 108 ANSWER –12 7.8x = 56 ANSWER 7

4. Prerequisite Skills SKILL CHECK Solve the equation. 8. You have 15 pairs of socks in your drawer, including exactly 6 pairs of black socks. What fraction of your socks are black? ANSWER 2 5

5. Prerequisite Skills SKILL CHECK Write the fraction in simplest form. 9.15 75 ANSWER 1 5 10. 12 60 ANSWER 1 5 11. 9ab 36a ANSWER b 4 12. 18n 3 36n ANSWER n2n2 2

6. Prerequisite Skills SKILL CHECK Order the numbers from least to greatest. ANSWER –1.11, –0.25, 0, 3 8 9, 1, 9 12 3 10 12 1 ANSWER 8 –, 7 –0.02,, 0.34, 1.28, 0, –0.25, 1 3 9 12,, –1.11, 8 9 13. 7 1 10 14. 1.28, 812 3 –,,, –0.02, 0.34