Number/ Operations
This is the smallest prime number greater than 10.
What is 11?
This is the number of millilitres in 2.5 litres.
What is 2,500 millilitres?
This is the algebraic expression for 'seven more than a number y'.
What is y + 7?
This is the median of the following set of numbers: 8, 15, 10, 22, 17, 13, 19.
What is 15?
This is the result when you multiply a negative number by a positive number.
What is a negative number?
This is the area of a triangle with a base of 10 cm and a height of 6 cm.
What is 30 cm²?
This is the value of 2n + 3 when n = 4.
What is 11?
If a bag contains 4 red marbles, 5 blue marbles, and 3 green marbles, this is the probability of picking a blue marble, replacing it, and then picking a green marble.
What is (5/12) × (3/12) = 15/144 = 5/48?
This is the value of 2³ + 4².
What is 8 + 16 = 24?
This is the volume of a rectangular prism with length 4 cm, width 3 cm, and height 2 cm.
What is 24 cm³?
In the pattern 7, 12, 17, 22, …, this is the formula for the nth term.
What is 5n + 2?
This is the mean of the numbers 6, 10, 14, 18, and 22 after removing the lowest and highest values.
What is (10 + 14 + 18) / 3 = 42 / 3 = 14?
A recipe needs 2 1/4 cups of flour for one cake. How much flour is needed to make 3 1/2 cakes?
What is (9/4) × (7/2) = 63/8 = 7 7/8 cups?
This is the total distance a student runs if she completes 2.5 laps around a circular track with a diameter of 18 metres.
2.5 × (3.14 × 18) = 2.5 × 56.52 = What is 141.3 metres?
If the nth term of a sequence is given by 3n – 2, this is the sum of the first 5 terms.
(1: 1, 2: 4, 3: 7, 4: 10, 5: 13; sum = 1 + 4 + 7 + 10 + 13 = 35)
What is 35?
A student rolls two dice. This is the probability that the sum is 8.
What is 5/36? (Possible pairs: (2,6), (3,5), (4,4), (5,3), (6,2))
A ribbon is 5/6 metres long. If you cut it into pieces that are each 1/4 metre long, how many full pieces can you cut, and how much ribbon will remain?
(5/6) ÷ (1/4) = (5/6) × (4/1) = 20/6 =
What is 3 full pieces, with 1/3 metre remaining?
This is the total cost to put a fence around a circular garden with a radius of 4.5 metres, if fencing costs $12 per metre.
(2 × 3.14 × 4.5) × $12 = (28.26) × $12 = What is $339.12?
This is the 10th term in the sequence: 4, 9, 16, 25, ... where each term is the square of a natural number.
What is 100? (The 10th term is 10² = 100)
You survey 24 students about their favourite fruit. 8 choose apples, 10 choose bananas, and 6 choose oranges. This is the percentage of students who chose bananas.
What is (10/24) × 100 = 41.7%?