Math vocabulary

The words students need to read word problems: sum, difference, product and quotient; factor, multiple and prime; perimeter, area and volume; mean, median and mode. Twenty-four clues written in plain language, so the games practice understanding the term, not memorizing a dictionary line.

Games with this list

• Clue Bingo
• Match Up
• Summit Scramble
• I Have, Who Has?
• Talk Around It
• Act, Draw or Say
• Claim the Grid
• Quiz Night

The list

	Clue	Answer
1	The answer to an addition problem	Sum
2	The answer to a subtraction problem	Difference
3	The answer to a multiplication problem	Product
4	The answer to a division problem	Quotient
5	A number you multiply by another to get a product	Factor
6	What you get when you multiply a number by a whole number, like 3, 6, 9	Multiple
7	A number with exactly two factors: 1 and itself	Prime number
8	A whole number you can split into two equal groups	Even number
9	A whole number that leaves one left over when split into two equal groups	Odd number
10	The distance all the way around a shape	Perimeter
11	The space inside a flat shape, in square units	Area
12	How much space a solid takes up	Volume
13	The top number in a fraction	Numerator
14	The bottom number in a fraction	Denominator
15	Lines that never meet, like train tracks	Parallel lines
16	Lines that cross to make square corners	Perpendicular lines
17	An angle smaller than a right angle	Acute angle
18	An angle bigger than a right angle but less than a straight line	Obtuse angle
19	A careful guess close to the real answer	Estimate
20	What is left over after dividing	Remainder
21	The middle number when a list is in order	Median
22	The number that appears most often in a list	Mode
23	Add them all up, then divide by how many there are	Mean
24	A math sentence with an equals sign	Equation

More math topics

• Multiplication facts: 2s to 5s
• Multiplication facts: 6s to 9s
• Fractions and decimals
• Roman numerals
• 2D and 3D shapes