The number system
The place value of the digit 4 in the number 3.47.
4 tenths or 0.4
The next number in this sequence: 2, 4, 6, 8, ...
10
The number that appears most often in this set: 1, 2, 3, 3, 5.
3
A shape with four equal sides and four right angles.
square
The shaded part of a circle cut into 4 equal pieces, with 1 piece shaded.
1/4
6
The first three triangular numbers (1, 3, 6... what is the 4th?)
10
The middle number in this sorted data set: 10, 15, 20.
15
A shape with only one pair of parallel sides.
trapezium/trapezoid
The fraction equivalent to 1/2.
2/4? (or 3/6, 4/8, etc.)
The sum of 4.5 and 2.75.
7.25
The least common multiple (LCM) of 3 and 4.
12
The sum of 4 and 6 is divided by 2 to find this average.
5, Mean
The distance from the center of the circle to the edge.
radius
The result when 0.9 is subtracted from 3.2.
2.3
The highest common factor (HCF) of 12 and 18.
6
The difference between the highest and lowest numbers in the set: 2, 8, 15.
13
The order of rotational symmetry of a square.
4
If 4/9 of a number is 28, what is the number?
63
A decimal number in the hundredths place that rounds to 4.7.
4.70
A square number that comes after 316 in the sequence.
400
In the set 2, 4, 6, 8, the mean is 5. The median is 5. This number is the range.
6
The distance around the outside of a circle (also known as the perimeter).
circumference
There were 60 passengers on a cruise ship. 1/5 of them were boys, 1/2 of them were girls and the rest were adults. How many adults were there?
18 adults