Exam: Practice Questions

These are some of the things you need to know how to do in the exams, so here are some practice questions.

Convert to fraction, decimal, and percent :

1/3 =

0.50 =

90% =

2/8 =

0.30 =

80% =

Use BEDMAS to answer the following :

8451 + 1254 - 35648 =

1165 × 623 ÷ 15615 =

4894 - 4128 + 7975 =

1254 ÷ 51551 - 45 =

6379 × 8457 ÷ 9452 =

3954 ÷ 7851 + 5451 =

Try finding the factors of :

154

121

56

78

12

68

Answer the following :

6 + 9 =

-5 + -2 =

3 + -7 =

-8 + 4 =

8 - 10 =

-5 - -3 =

6 - -8 =

-5 + 10 =

Write the expression or equation to the given pictures :

Create diagrams or pictures for these expressions and equations :

9x + 36 =

25x - 22

5x + 2 =

12x

9x - 6

14 + 9x =

Find the mean, median,mode, range and outlier to these numbers :

8,55,51,54,52,58,56,57

83,55,85,88,89

77,75,72,54,78,73

45,46,47,43,49,12

12,15,14,16,13,25

22,25,28,27,26,57

Don't forget to study your math exam review sheets !

Our math exam is on Wednesday, June 22nd .

Answer to Joesph's Question

Q: Kyle needed to role a p(6) to win the game.
What are the chances of Kyle rolling a 6 ?

There are 6 sides to a die so there would be a one in sixth chance that Kyle will get a 6.

Probability Question

Sidney,Jasmin,Nina,Kristine,and Sarah are trying to find a prom dress for there school prom. What is the portability of Jasmine and Nina get a purple dress p(purple and purple) Kristine getting a green dress , Sidney getting a blue dress and Sarah getting a red dress?

Here is a video that might help you :

Here is a link that might help you: http://mathgoodies.com/lessons/vol6/intro_probability.html

Percents,Decimals and Fractions

I'm having a bake sale and I baked 40 cookies but only 26 where sold.Now how do I show this as a fraction , decimal and percent ?

This is how you make it a fraction :

You can see that you can split 40 and 26 into 2 or divide it by 2 . So you take 40 and 26 and dived it by 2, you do these to both of numbers because what ever you do one number you have to do it with the other number. So if you divide 40 by 2 you get 20 and if you divide 26 by 2 you'll get 13 . So thats your answer 13 over 20 .

This is how you make it a decimal :

This is how you turn13 over 20 in to a decimal number. You have to divide 13 and 20 by 20.You divide it by 20 because the denominator which is 13 always has to equal a decimal number . So if you divide 20 by 20 you get 1 and if you divide 13 into 20 you get 0.65 so thats your answer 0.65 .

This is how you make it into a percent :

This is how you turn it into a percent.You take 13 over 20 and you divide it by 5. You have to divide it by 5 because the bottom number which is 20 has to equal the number 100 because percent means it's out of 100 .So if you divide 20 times 5 you get 100 and if you divide 13 by 5 you get 65 and thats your answer 65 percent.

Heres a link that might help you :http://www.mathplayground.com/Decention/Decention.html

Corrections To The 3 Questions

1. Annie has been asked to calculate 1.7 + 6 ÷ 2 .She claims the answer is 3.85.Do you agree? explain why or why not?

No the answer is 4.7 because :

1.7 + 6 ÷ 2 =

6 ÷ 2 = 3

3 + 1.7 = 4.7

She got 3.85 because she didn't use BEDMAS.She did it this way:

1.7 + 6 = 7.7

7.7 ÷ 2 = 3.85

2.Put brackets in the following expression to get the largest value possible .What problem solving strategy did you use?

3 × 2.8 + 6.4 ÷ 4 =

Well I would put the brackets between 3 × 2.8. I put brackets on all the possible pairs (3 × 2.8, 2.8 + 6.4, and 6.4 ÷ 4) and use BEDMAS to figure out the answer ,and when you put the brackets between 3× 2.8 you will get the largest answer.

3.Create a problem that could be solved using the following expression.

2.5 + 1.25 + 5 × 1.6

Emily held a baked sale at her school, her principal bought one of her cookie for $ 2.50.Her math teacher bought one brownie for $1.25 and 5 of her friends came to the bake sale and all 5 of them bought a cupcake for $1.60. At the end of the day Emily had raised $11.75.

Order of Operation

B-Brackets ( )

E-Exponents 2⁵

D-Division ÷

M-Multiplication x

A-Addition +

S-Subtraction -

The Language Of Math

(64 - 64) + (22 - 32) = 13

0 + (22 - 32) = 9

0 + (22 - 9) =13

0 + 13 = 13

http://cemc2.math.uwaterloo.ca/mathfrog/english/kidz/order.shtml - Here is a site to help you practice !

Corrections to number 10

On number 10 it asks you In which quadrant is the point with coordinates (11,-6)?

Well if you look at the coordinate grid quadrant one has the positive and positive numbers on it,quadrant two has the negative and positive numbers on it,quadrant three has the negative and negative numbers on it and quadrant four has the positive and negative numbers on it.So the answer to 10 is quadrant four because quadrant four has the positive and negative numbers on it.

http://www.mathplayground.com/locate_aliens.html

This is a game that might help you on plotting point on a coordinate grid.