Whenu Math Challenge

Solve the equation: 3x + 5 = 17

• x = 6

• x = 3

• x = 5

• x = 4

Calculate the area of a rectangle with length 8m and width 5m.

• 30 square metres

• 42 square metres

• 13 square metres

• 40 square metres

If the perimeter of a square is 40cm, what is the length of one side?

• 20cm

• 8cm

• 10cm

• 15cm

If the ratio of boys to girls in a class is 3:5 and there are 24 students in total, how many boys are there?

• 18

• 12

• 15

• 9

Interpret the data from the bar graph showing the number of books read by students in a month.

• Analyse the colours of the bars to determine the number of books read

• Interpret the data by comparing the heights of the bars to determine the number of books read by each student.

• Calculate the average height of the bars to find the number of books read

• Count the number of students to determine the number of books read

If a shirt originally costs $40 and is on sale for 20% off, what is the sale price?

• $35

• $30

• $25

• $32

Convert 2.5kg to grams.

• 2500 grams

• 2000 grams

• 250 grams

• 25 grams

A recipe calls for 500ml of milk, but you only have a 1L bottle. How much milk will you use?

• 750ml

• 250ml

• 1L

• 500ml

If the temperature is 25°C and it increases by 10%, what is the new temperature?

• 28°C

• 26.5°C

• 27.5°C

• 30°C

Solve the equation: 2(3x - 4) = 10

• x = 5

• x = 4

• x = 2

• x = 3