CHAPTER 6 STUDY GUIDE NAME: __________________________________________________ PERIOD: ___________________
1. Simplify the following expressions. a. 1.234 + 3.4 -5
b. -10 –(-1)
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c. +
d. 45.6 + 23.125 + 9 2. Fill in the blank with either , or =. a. 575.90 ______________543.90 b. 1.568_______________ 1.5680000 c. 89.4_____________ 89.040 d. 149.45 ____________149.41
3. Simplify the expressions below thinking about order of operations a. 8 + 5(23)-7 x6
b. 8x3 ÷6 – 7(8) ÷7
c. 5+ 6(7) +7 ÷ 2
d. 6(3+4) + 72
4. Solve for the variable.
5. Complete the portion webs below
435%
6. Complete the generic rectangle
3/4
8
1/3
24
1
7%
7.
Solve the following expressions a.
If x = 5 and y=7 3x+2y-3
b. If x =5 and y=12 solve: x+x+x+y+y+y+y+y-9
8. What is the perimeter and area of the shape made by the algebra tiles write an expression to represent the area and perimeter. a.
b.
c.
9. find the coordinates of the points below (make sure to think about the correct order to put them in!
A
B
C
D
10. What is the formula to find area of a triangle? What is the formula to find area of a trapezoid? What is the formula to find area of a parallelogram?
11. Solve the word problem below a. SIMPLE INTEREST I = prt, where I is the total interest earned (in dollars), p is the starting value (in dollars), r is the interest rate per year, and t is the number of years the interest is added to the account. Where p=$60 r= 0.065 t= 3 years
b. At the school’s fall bake sale, all of the pies were cut into 6 pieces, so each person who bought a piece bought 1/6 of a pie. Each slice of pie sold for $1.00. How much money did the school make if all eleven pies were sold? (In other words, find 11 divided by 1/6.)
12. Draw a diagram to help represent the quotients below. 4 ÷ 1/3
6 ÷ 2/3 13. In each of these problems, assume that people divide the food evenly. Write your answer as a division problem in fraction form a.
If two people share one soda, how much of the soda should each person get?
b. If two people share three hamburgers, how much should each person get?
c. If three people share a large box of fries, what part is each person’s share?
d. Three people share seven brownies. How many brownies should each person get?