Glossary: Terms Starting with M
46 definitions in Mathematics with links to the lessons that teach each word.
Showing Mathematics only. Show all subjects
All terms starting with M
make ten
MathsFrom Grade 1
Fill up to 10 first, then add the rest.
Learn it in: Addition within 20 (Grade 1)
mass
MathsFrom Grade 2
How heavy something is.
Learn it in: Mass (Grade 2), Measuring mass (Grade 3), Standard units (Grade 4)
mean
MathsFrom Grade 5
Total divided by number of values.
Learn it in: Interpreting data (Grade 5), Comparing datasets (Grade 5), Mean (Grade 6)
measure
MathsFrom Grade 1
Find how long or tall something is.
Learn it in: Measuring using non-standard units (Grade 1), Estimating measurements (Grade 2)
mental
MathsFrom Grade 2
Done in your head.
Learn it in: Mental addition strategies (Grade 2), Mental computation (Grade 4)
metre (m)
MathsFrom Grade 2
A longer unit of length.
Learn it in: Centimetres and metres (Grade 2), Measuring length (Grade 3)
milli
MathsFrom Grade 5
One thousandth.
Learn it in: Metric conversions (Grade 5), Metric conversions (Grade 6)
millilitre (ml)
MathsFrom Grade 2
A small unit for liquids.
Learn it in: Capacity (Grade 2), Measuring capacity (Grade 3)
million
MathsFrom Grade 4
1,000,000, one thousand thousands.
Learn it in: Numbers beyond 100,000 (Grade 4), Large whole numbers (Grade 5), Large whole numbers (Grade 6)
minuend
MathsFrom Grade 3
The number we start with.
Learn it in: Multidigit subtraction (Grade 3), Large-number subtraction (Grade 4), Subtracting decimals (Grade 5)
minus (−)
MathsFrom Grade 1
The sign that means take away.
Learn it in: Meaning of subtraction (Grade 1)
minute
MathsFrom Grade 2
A short time.
Learn it in: Comparing durations (Grade 2), Time intervals (Grade 4)
minute hand
MathsFrom Grade 1
The long hand that shows minutes.
Learn it in: Reading time to the hour (Grade 1), Reading time to the half-hour (Grade 1), Reading clocks (Grade 2)
minute mark
MathsFrom Grade 3
A small tick on the clock.
Learn it in: Time to the nearest minute (Grade 3)
minutes past
MathsFrom Grade 2
Minutes after the hour.
Learn it in: Time to five-minute intervals (Grade 2), Time to the nearest minute (Grade 3)
minutes to
MathsFrom Grade 2
Minutes before the next hour.
Learn it in: Time to five-minute intervals (Grade 2), Time to the nearest minute (Grade 3)
mirror image
MathsFrom Grade 2
The same shape reversed.
Learn it in: Introduction to symmetry (Grade 2)
missing
MathsFrom Grade 2
Not there yet.
Learn it in: Number sequences (Grade 2), Number patterns (Grade 3)
missing factor
MathsFrom Grade 3
A number to find in a multiplication.
Learn it in: Relationship between multiplication and division (Grade 3), Factor pairs (Grade 4)
missing number
MathsFrom Grade 1
A number we need to find.
Learn it in: Relationship between addition and subtraction (Grade 1)
missing side
MathsFrom Grade 3
A side we need to find.
Learn it in: Relationship between multiplication and area (Grade 3)
mixed number
MathsFrom Grade 4
A whole number and a fraction.
Learn it in: Mixed numbers (Grade 4), Fractions greater than one (Grade 4), Writing decimals (Grade 4)
mode
MathsFrom Grade 5
Most frequent value.
Learn it in: Frequency tables (Grade 5), Line plots (Grade 5), Interpreting data (Grade 5)
model
MathsFrom Grade 1
A picture or objects that stand for a number.
Learn it in: Representing two-digit numbers (Grade 1), Mathematical modelling (Grade 6)
money
MathsFrom Grade 1
What we use to buy things.
Learn it in: Recognising local coins and notes (Grade 1)
month
MathsFrom Grade 1
A part of a year, about 4 weeks.
Learn it in: Months of the year (Grade 1), Calendars (Grade 2)
more
MathsFrom Grade 1
A larger number of things.
Learn it in: Comparing numbers (Grade 1), Counting categories (Grade 1), Comparing data (Grade 2)
morning
MathsFrom Grade 1
The early part of the day.
Learn it in: Morning, afternoon and evening (Grade 1)
most
MathsFrom Grade 1
The biggest number.
Learn it in: Interpreting simple data (Grade 1), Reading graphs (Grade 2), Reading and interpreting graphs (Grade 3)
multiple
MathsFrom Grade 2
A number you get by skip counting.
Learn it in: Skip counting (Grade 2), Multiplication tables (Grade 3), Understanding multiples (Grade 4)
multiple of ten
MathsFrom Grade 3
10, 20, 30 ...
Learn it in: Multiplying by multiples of ten (Grade 3), Multiplying by multiples of ten (Grade 4), Division using place value (Grade 4)
multiplier
MathsFrom Grade 6
Number you multiply by.
Learn it in: Finding percentages of quantities (Grade 6), Introductory percentage increase and decrease (Grade 6)
multiply
MathsFrom Grade 2
Find the total of equal groups.
Full explanation with examples and practice →
Learn it in: Repeated addition (Grade 2), Relationship between multiplication and division (Grade 2), Multiplication as equal groups (Grade 3)
multistep
MathsFrom Grade 4
More than one step.
Learn it in: Multistep problems (Grade 4), Multistep problems (Grade 5), Measurement problem-solving (Grade 5)