year 7 end of year exam revision

Real Numbers

100

What is a common factor of 6 and 9?

3

200

What is the improper fraction equivalent to 

3 and one third?

ten thirds

300

Add these together:

one half plus one third.

five sixths.

400

multiply these fractions together:

2 thirds times 3 quarters

one half

500

2 thirds divided by 3 quarters.

8 ninths

Patterns and algebra

100

State the coefficient of t

9t - 7 = 11

9

200

Write an algebraic expression to show 3 less than z.

z-3

300

Use substitution to evaluate the expression.

4y+3

y=2

11

400

Simplify by collecting like terms:

3a + 2b - a + 4b - ab

2a+6b-ab

500

5t x 7t

35t²

Linear relationships

100

Write an equation

It must have an equals sign

200

If c=3, is this true?

13 - c = 10 + c

no

300

10 - ? = 2

8

400

Here is an equation:

3a + 5 = 17

Take away 5 from the LHS and the RHS

3a = 12

500

Solve for b

4b - 10 = 14

b = 6

Probability

100

Rolling a dice. Pr(6)

1 out of 6.

200

Categorical or numerical?

The weights of some babies.

Numerical

300

List the sample space for rolling a fair 10 sided dice.

{1,2,3,4,5,6,7,8,9,10}

400

The letters RAVEN are written on 5 cards. One is chosen at random.

What is Pr(V)?

Pr(v) = 1 out of 5

500

A spinner with numbers 1-5 is spun. Here's the results:

1,5,5,2,4,1,3,5,2,4

What is the experimental probability of getting a 5?

3 out of 5.

Statistics

100

What is the mode?

1, 2, 3, 40, 90, 1, 44, 1, 1000

1

200

What is the median?

1,2,3,4,5,1000,1001

4

300

What is the range of this data set?

47, 6, 7, 3, 2, 1, 9, 19

46

400

What is the mean?

1,2,3,4,5

3 

500

Draw a stem and leaf plot of these numbers:

21, 27, 35, 39, 39, 40 

Was there a key?