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Unit 1
Unit 2
Unit 3
Unit 4
Number Sequences
100

People leave a market carrying the following numbers of bags:

1, 1, 5, 4, 0, 5, 5

What is the mean number of bags they are carrying?

3 bags

100

What is the highest common factor of two numbers?

The largest whole number that evenly divides into those two numbers.

100

Simplify the expression:

5x + 6x - x

10x

100

What is 2/5 of $135?

$54

100

Find the next number:

1, 3, 5, 7, 9, ?

11 (odd numbers)

200

Students in a class have names with the following number of letters:

3, 4, 5, 7, 5, 6, 5

What is the mode of name lengths in this class?

5 (three names)

200

Find the highest common factor of 18 and 24

6 (6 x 3 and 6 x 4)

200

Simplify the expression:

4x + 5y - x - 3y

3x + 2y

200

A pie is cut into 10 slices. If Julen eats 4 slices, what percentage of the pie did he eat?

40%

200

1, 2, 2, 3, 3, 3, ?

4 (happens 4 times)

300

Hugo counts the number of children living in the first few houses on his street:

4, 3, 6, 0, 2

If the next house on the street has 4 children, will this make the average number of children per house go up or down?

Up (3 -> 3 1/6)
300

Work out:

-4 - -7

-4 - -7 = -4 + 7 = 3

300

If y = mx + c, find the value of y when:

m = -2, x = -5, c = -5

y = 5

300

What does the expression "percent" mean?

Per cent, "Out of 100"

300

2, 1, 3, 4, 7, 11, ?

18 (add two numbers to get next term)

400

Ada scored the following number of points in a season of basketball games:

3, 0, 8, 7, 6, 7, 6, 4

What is the median number of points that she scored per game?

6 points

400

Work out:

6 x 52

150

400

In the equation y = mx + c, what does the letter "m" represent?

The gradient/rate of change of a linear function

400

Which is larger, 5/6 or 6/7?

6/7

400

Find the next number:

0, 1, 3, 7, 15, 31, ?

63 (powers of 2, minus 1)

500

Evita is digging up potatoes from her garden. Here are the masses, in grams, of each potato:

412, 258, 331, 225, 419, 337, 315, 320, 443, 180

What is the mean mass of this crop of potatoes?

324 grams

500
What is the least common multiple of 45 and 60?

180 (45 x 4 and 60 x 3)

500

Expand the expression:

x(x - 2)

x2 - 2x

500

Three fifths of the children in a school are boys. What fraction of the school's students are girls?

Two fifths

500

180, 120, 90, 72, 60, 51.428571, ?

45