Key Vocab List - Year 4

Oct 1, 2026

A Year 4 key vocabulary list organized by book and unit, covering core math language for number, place value, and comparison using greater than, less than, and rounding. It includes terminology for operations and methods such as addition, subtraction, column method, estimation, and strategy, alongside multiplication and division facts. Geometry and measurement vocabulary spans length, perimeter, area, area units, fractions, decimals, data representations, angles, symmetry, and coordinate grid terms.

LanguageEnglish

CategoryExam

FormatPDF

Pages5

Reading Time13 min

AccessFree to download

4A Unit 1

4A Unit 2

4A Unit 3

4A Unit 4

4A Unit 5

4B Unit 6

4B Unit 7

4B Unit 8

4B Unit 9

4B Unit 10

4C Unit 11

4C Unit 12

4C Unit 13

4C Unit 14

4C Unit 15

4C Unit 16

Key vocabulary list Year 4 | Book and unit | Key vocabulary highlighted in this unit | New vocabulary | | --- | --- | --- | | 4A Unit 1 | tens hundreds thousands rounding order
more than (>) less than (<) partition numeral nearest distance | nearest | | 4A Unit 2 | thousands ascending descending rounding negative step multiple
greater than (>) less than (<) | step
descending
ascending | | 4A Unit 3 | addition
total
more than (>) subtraction less than (<) column method estimate how much strategy efficient accurate exact
fact
diagram | strategy
efficient
accurate exact diagram | | 4A Unit 4 | length
width perimeter distance rectangle square rectilinear shape centimetre (cm) metre (m)
kilometre (km) equivalent to | kilometre (km) equivalent to width
around
length rectilinear shape | | Book and unit | Key vocabulary highlighted in this unit | New vocabulary | | --- | --- | --- | | 4A Unit 5 | multiply (×) divide (÷) multiplication fact division fact lots of
groups of times-table array | | | 4B Unit 6 | multiply divide times-table partition array bar model
part-whole model remainder factor pair
factor
commutative | commutative | | 4B Unit 7 | length width area space rectangle square
rectilinear shape unit
least greatest triangle quadrilateral reflection rotation | area
unit | | 4B Unit 8 | tenths hundredths equivalent simplify numerator denominator fraction
mixed number improper fraction simplest fraction | hundredth
simplest fraction
simplify
improper fraction | | 4B Unit 9 | numerator
denominator
add
subtract
improper fraction
mixed number
fraction of an amount | | | Book and unit | Key vocabulary highlighted in this unit | New vocabulary | | --- | --- | --- | | 4B Unit 10 | tens
ones
decimal point tenths hundredths greater than (>) equivalent less than (<) decimal centimetre millimetre | decimal
decimal point | | 4C Unit 11 | tenths hundredths decimal point 0·1 and 0·01 equivalent whole number rounding greater than (>) less than (<) equal to (=) order compare
convert decimal place ascending descending | | | 4C Unit 12 | notes coins pounds (£)
pence (p) add subtract change
round to the nearest order
greater than (>) less than (<) cheaper
more expensive estimate
over estimate under estimate total
notation | over estimate under estimate | | Book and unit | Key vocabulary highlighted in this unit | New vocabulary | | --- | --- | --- | | 4C Unit 13 | convert
compare unit of time second minute hour
day week month year 12-hour
24-hour analogue digital am/pm | unit of time analogue 24-hour time | | 4C Unit 14 | data
line graph pictogram bar chart table altogether more than (>) greatest smallest continuous data
compare | line graph
continuous | | 4C Unit 15 | quadrilateral triangle regular irregular interior angle angle
acute obtuse reflect right angle symmetrical isosceles scalene equilateral
line of symmetry reflective symmetry | interior angle regular
irregular isosceles
scalene equilateral reflective symmetry | | Book and unit | Key vocabulary highlighted in this unit | New vocabulary | | --- | --- | --- | | 4C Unit 16 | position horizontal vertical up down left
right coordinates square rectangle plot vertex
vertices point grid | grid
coordinates |

FAQs

What topics are covered in the Year 4 vocabulary list?

It covers place value and comparison, rounding and estimation, addition and subtraction methods, multiplication and division terminology, and geometry and measurement words such as length, perimeter, area, and angles.

Which units focus on fractions and decimals vocabulary?

Fractions appear in 4B Unit 8 and 4B Unit 9, while decimals and decimal point vocabulary appear in 4B Unit 10 and 4C Unit 11.

What vocabulary is included for data, graphs, and coordinates?

Data vocabulary for line graphs, pictograms, bar charts, tables, and comparing quantities is in 4C Unit 14. Coordinates, grids, points, vertices, and plotting are in 4C Unit 16.

Oct 1, 2026

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