1. Rational numbers
Can be fractions, decimals, negatives, etc.

2. Integers
Negatives or positive whole numbers, but can’t have fractions or decimals

3. Multiplying and Dividing Integers
Triangle rule

4. Adding Integers
Same sign, add and keep. Different sign subtract. Keep the sign of the higher number, then you’ll be exact.

5. Subtracting Integers Insert plus sign after first number.
Or use plus plus rule.

6. Solving for x Add or subtract from both sides.
Divide by number in front of x.

7. Inequalities
Flip sign when dividing or multiplying both sides by a negative.

8. Unit Rate
Divide

9. Unit Price
Money in the bank $
Amt.

10. Discounts Change it to a decimal and multiply.
Read the problem to see if you need the total price. If so, then subtract.

11. Change it to a decimal and multiply%
Change it to a decimal and multiply

12. Tax, tip, markup, commission
Change it to a decimal and multiply.
Read the problem to see if you need to total price. If so, add.

13. Percent increase or decrease
Subtract, put answer on top. Original on the bottom. Divide and move your decimal for percent of change. (song)

14. Scale drawing, map scale or model

15. Based on this data (these results)

16. Converting Measurements

17. Ratio

18. 3 numbers and 1 unknown (comparing two items or rates)

19. Missing sides of Similar Figures

20. -Congruent angles Proportional sides
Similar Figures
-Congruent angles
Proportional sides

21. Simple Interest
I = Prt
Principal x rate x time

22. Compound Interest A = P (1 + r) t
Principal (1 + rate as decimal) raised to the years power
No calculator: need to make a table

23. Constant of proportionality
y x

24. Fraction times fraction
Probability of 2 events
Fraction times fraction
(Pay attention to whether you replace it or not)

25. Predictions from probability

26. Circumference C = d C = 2 r C
Revolution or the turning of a wheel, tire, etc Anything circular
Circumference
C = d
C = 2 r

27.  Circumference Diameter
We use 3 and find the answer a little bit higher

28. Adjacent Angles
Side by side
Share one side in the middle

29. Vertical Angles
Across from each other
Congruent

30. Supplementary
Add up to 180o
Straight line

31. Complementary
Add up to 90o
Corners

32. Missing angle of a triangle
Add up. Subtract from 180

33. Shape inside a shape
Find the area of both and subtract

34. Shape combined with another shape
Find the area of both and add

35. B
Area of base (must use formula)

36. Area Cover, carpet, or paint . . .
Answer choices are in units2 or square units
Area

37. Pour, fill, units3
Volume

38. Find area of each face and base. Add together.
Total Surface Area
Find area of each face and base. Add together.

39. Find area of each face (sides not bases). Add together.
Lateral Surface Area
Find area of each face (sides not bases). Add together.

40. Net Worth Add up income, money you earn, etc.
Add up bills, money you owe, etc.
Subtract the two totals.