1. GRADE 7 REVIEW A+ FINAL EXAM MONDAY, MAY 24 TH

2. SCIENTIFIC NOTATION Change from standard form to scientific notation Change from scientific notation to standard form

3. YOUR TURN!!! Write in scientific notation10,640 1.064 x 10 4 Write in scientific notation.0000789 7.89 x 10 5 Write in standard form 8.91 x 10 5 891,000

4. SOLVING INEQUALITIES We solve inequalities in the same way that we solve equations The only RULE has to do with dividing or multiplying by a negative … What is it? When x or ÷ by a NEGATIVE, you reverse the inequality symbol!!!

5. YOUR TURN!!! Solve5x > 100 x > 20 Solve m – 20 ≤ 4 x ≤ 24 Solvew ÷ (-10) < -20 w > 200

6. ORDER OF OPERATIONS PEMDAS Remember: “P” now stands for GROUPING SYMBOLS … including ( ), [ ], /

7. YOUR TURN!!! Simplify: 2 + [ (10-7) x 6² ] 2 + [ 3 x 6² ] 2 + [ 3 x 36 ] 2 + [ 108 ] 110

8. TRY IT AGAIN! Simplify: (8 + 2³)² (8 + 8)² (16)² 256

9. EQUIVALENT FRACTIONS TO CREATE AN EQUIVALENT FRACTION: Whatever you do to one side, you must do to the other! EX: 3= x 5 20 X = 12 x 4

10. READY??? EX: 13= x 15 30 X = 26 EX: 7= 42 9 x X = 54 x 2 x 6

11. INTEGER RULES RECITE RULES TO ADD INTEGERS. WHAT ARE THE 4 STEPS TO SUBTRACT INTEGERS? TO MULTIPLY & DIVIDE INTEGERS …

12. WORD PROBLEMS EQUAL TEAMING HOW MANY WAYS CAN YOU DIVIDE 40 PEOPLE? (You can’t have a team of 1 member) Begin by listing the FACTORS 40: 1, 2, 4, 5, 8, 10, 20, 40 Do not count 1 or the factor So you have: 1, 2, 4, 5, 8, 10, 20, 40 6 WAYS TO DIVIDE

13. YOUR TURN! EQUAL TEAMING 9 members 9: 1, 3, 9 You have: 1, 3, 30 1 WAY TO DIVIDE

14. RATIOS THERE ARE 3 WAYS TO WRITE RATIOS FRACTION BAR TO : REMEMBER: THE 1 ST # MUST BE WRITTEN 1 ST REDUCE IF POSSIBLE

15. YOUR TURN! Write the ratio in 2 other ways: 15 boys to 11 girls 15 : 11 and 15/11 Write the ratio in 2 other ways: 8 boys / 12 girls 2 : 3 and 2 to 3

16. PROBABILITY FAVORABLE OUTCOME / TOTAL # OF OUTCOMES 8 boys & 12 girls, What is the probability that a boy will be chosen to answer this question? 15 boys & 11 girls, What is the probability that a girl will be chosen to answer this question?

17. GEOMETRY TERMS DIAMETER CHORD RADIUS CONGRUENT FIGURES SIMILAR FIGURES PYRAMID PRISM

18. MEASUREMENT PERIMETER METRIC UNITS: King Henry Doesn’t like drinking chocolate milk Kilo- Hecto- Deka- UNITS deci- centi- milli-

19. DATA ANALYSIS MEAN MEDIAN MODE RANGE

20. EXTRAS ORDERED PAIRS (X, Y) ADDING DECIMALS ABSOLUTE VALUE