Glossary: Terms Starting with E

98 definitions with links to the lessons that teach each word.

-er

English

one who does something

Learn it in: Suffixes (Grade 3)

each

Maths

Every one of the groups.

Learn it in: Equal groups (Grade 2), Simple multiplication problems (Grade 2), Word problems (Grade 3)

ear

Science

the part of the body for hearing

Learn it in: What is sound (Grade 1)

Earth

Science

the planet we live on

Learn it in: Day and night (Grade 1)

earwax

Science

the sticky stuff that protects the ear

Learn it in: Protecting our hearing (Grade 1)

edge

Maths

Where two faces meet.

Learn it in: Cubes (Grade 1), Properties of 3D shapes (Grade 2), Spatial reasoning (Grade 6)

edit

English

fix mistakes

Learn it in: Revising simple sentences (Grade 1), Editing spelling and punctuation (Grade 2), Punctuation and editing (Grade 3)

editing

English

improving a draft for clarity, style and accuracy

Learn it in: Editing for clarity and style (Grade 6)

ee

English

the team in tree

Learn it in: Vowel teams (Grade 2)

effect

English

what happens as a result

Learn it in: Cause and effect (Grade 3), Cause and effect (Grade 4), Personification (Grade 4)

effective

English

working well

Learn it in: Problem and solution (Grade 4)

egg

Science

a case holding a young animal before it hatches

Learn it in: Animal offspring (Grade 2)

eighths

Maths

Eight equal parts.

Learn it in: Equal Parts of a Whole (Grade 3)

either/or thinking

English

pretending there are only two options

Learn it in: Evaluating reasoning (Grade 6)

elaborate

English

to add more detail

Learn it in: Supporting details (Grade 3), Supporting evidence (Grade 5)

elapsed time

Maths

How much time has passed.

Learn it in: Elapsed time (Grade 3), Time intervals (Grade 4), Time and money applications (Grade 5)

elder

English

an older, respected person

Learn it in: Traditional stories (Grade 3)

element

English

a basic part of a story

Learn it in: Short stories (Grade 5)

eleven, twelve

Maths

The number words for 11 and 12.

Learn it in: Counting from 11–20 (Grade 1)

embryo

Science

the tiny baby plant inside a seed

Learn it in: Seeds (Grade 2)

emergency

Science

a time when you need help quickly

Learn it in: Basic personal safety (Grade 1)

emotive language

English

words chosen to stir feelings

Learn it in: Persuasive techniques (Grade 6)

empty

Maths

Holding nothing.

Learn it in: Full and empty (Grade 1)

encyclopedia

English

a book of facts about many topics

Learn it in: Reference materials (Grade 3)

end

English

the last part

Learn it in: Identifying rhyming words (Grade 1), Consonant blends (Grade 1), Beginning, middle, and end (Grade 1)

end mark

English

a full stop, question mark or exclamation mark

Learn it in: Words and sentences (Grade 1), Writing complete sentences (Grade 1), Complete sentences (Grade 2)

end time

Maths

When it ends.

Learn it in: Elapsed time (Grade 3)

end to end

Maths

One after another with no gaps.

Learn it in: Measuring using non-standard units (Grade 1)

endangered

Science

at risk of disappearing

Learn it in: Protecting animals (Grade 1)

ending

English

the last part

Learn it in: Identifying ending sounds (Grade 1), Inflectional endings (Grade 2), Decoding longer words (Grade 2)

ending blend

English

a blend at the end, like nd in hand

Learn it in: Reviewing consonant blends (Grade 2)

endorsement

English

support from a famous or trusted person

Learn it in: Persuasive techniques (Grade 6)

endpoint

Maths

The end of a segment.

Learn it in: Line segments (Grade 4), Rays (Grade 4)

enough

Maths

As much as you need.

Learn it in: Adding money amounts (Grade 2)

entertain

English

to amuse or interest the reader

Learn it in: Author’s purpose (Grade 4), Author’s purpose (Grade 5), Author’s purpose (Grade 6)

entry

English

one word and its meaning

Learn it in: Dictionary introduction (Grade 2), Dictionary and thesaurus skills (Grade 4), Multiple-meaning words (Grade 6)

environment

Science

all the living and non-living things around us

Learn it in: Plants in our environment (Grade 1), Keeping our environment clean (Grade 1), What is the environment (Grade 1)

eponym

English

a word from a person’s name

Learn it in: Word origins (Grade 6)

equal

Maths

The same.

Learn it in: Comparing two-digit numbers (Grade 1), Squares (Grade 1), Equal groups (Grade 2)

equal groups

Maths

Groups with the same number in each.

Learn it in: Multiplication using pictures (Grade 2), Multiplication word problems (Grade 4)

equal parts

Maths

Parts of the same size.

Learn it in: Equal parts (Grade 2), Thirds (Grade 2), Equal Parts of a Whole (Grade 3)

equal share

Maths

Same amount each.

Learn it in: Solving data problems (Grade 4), Dividing decimals in introductory contexts (Grade 5)

equal sign

Maths

The symbol =.

Learn it in: Simple equations (Grade 6)

equal to

Maths

The same. Sign: =.

Learn it in: Comparing three-digit numbers (Grade 2), Comparing numbers (Grade 3), Comparing large numbers (Grade 4)

equally

Maths

The same amount for each.

Learn it in: Sharing equally (Grade 2)

equals (=)

Maths

The sign that means the same as.

Learn it in: Meaning of addition (Grade 1)

equation

Maths

A statement with =.

Learn it in: Simple equations (Grade 5), Simple equations (Grade 6), Algebraic word problems (Grade 6)

equilateral

Maths

All three sides equal.

Learn it in: Triangles (Grade 3), Classifying triangles (Grade 4), Triangles (Grade 5)

equipment

Science

tools and materials we use

Learn it in: Science safety (Grade 2)

equivalent

Maths

Equal in size.

Learn it in: Representing simple fractions (Grade 2), Recognising equivalent fractions (Grade 3), Fractions mastery assessment (Grade 3)

equivalent decimals

Maths

Same value, e.g. 0.5 and 0.50.

Learn it in: Comparing decimals (Grade 4), Comparing decimals (Grade 5), Decimal comparison (Grade 6)

equivalent fraction

Maths

Equal in value.

Learn it in: Percent as parts per hundred (Grade 5)

equivalent ratios

Maths

Same relationship.

Learn it in: Equivalent ratios (Grade 6)

er

English

the pattern in fern, bird and turn

Learn it in: R-controlled vowels (Grade 2)

error

English

a mistake

Learn it in: Monitoring reading accuracy (Grade 3)

error

Maths

A mistake.

Learn it in: Checking calculations (Grade 3), Checking reasonableness (Grade 6)

essay

English

a piece of writing on one topic in several paragraphs

Learn it in: Essay structure (Grade 5), Essay organisation (Grade 6)

essential

English

very important and needed

Learn it in: Listening for essential information (Grade 4)

estimate

Maths

A close guess.

Learn it in: Regrouping in addition (Grade 2), Checking answers (Grade 2), Estimating measurements (Grade 2)

etymology

English

the study of word origins

Learn it in: Word origins (Grade 5), Word origins (Grade 6)

evaluate

English

to judge how good or reliable something is

Learn it in: Evaluating spoken information (Grade 4), Evaluating explanations (Grade 5), Academic vocabulary (Grade 6)

evaluate

Maths

Find the value.

Learn it in: Numerical expressions (Grade 5), Order of operations (Grade 5), Order of operations (Grade 5)

even

Maths

Can be put in pairs with none left over.

Learn it in: Odd and even numbers (Grade 2), Prime numbers (Grade 4)

even set

Maths

Two middle values.

Learn it in: Median (Grade 6)

evening

Maths

The part before night.

Learn it in: Morning, afternoon and evening (Grade 1)

event

English

something that happens

Learn it in: Understanding story events (Grade 1), Story sequencing (Grade 2), Setting and plot (Grade 3)

everyday

Science

happening on most days

Learn it in: Science in everyday life (Grade 1)

evidence

English

proof from the text

Learn it in: Answering basic comprehension questions (Grade 1), Supporting details (Grade 2), Predictions (Grade 2)

evidence

Maths

Numbers that support a statement.

Learn it in: Drawing conclusions (Grade 3), Drawing conclusions (Grade 5)

evidence

Science

what we see, hear or measure that shows something is true

Learn it in: What is science? (Grade 1), Reviewing scientific observation (Grade 2)

exaggerate

English

to make something sound bigger or better than it is

Learn it in: Evaluating spoken information (Grade 4)

example

English

one case that shows something

Learn it in: Supporting details (Grade 2), Supporting details (Grade 2), Supporting details (Grade 3)

example clue

English

a clue that gives an example

Learn it in: Context clues (Grade 3), Contextual meaning (Grade 4)

exchange

Maths

Swap one for ten smaller ones.

Learn it in: Regrouping in subtraction (Grade 2)

exchange rate

Maths

Money for money.

Learn it in: Real-world applications (Grade 6)

exclamation

English

a sentence that shows strong feeling

Learn it in: Sentence types (Grade 2)

exclamation mark

English

the mark ! that shows strong feeling

Learn it in: Punctuation and expression (Grade 3)

exercise

Science

moving the body to keep strong and healthy

Learn it in: Exercise and rest (Grade 1)

expand

English

make longer with detail

Learn it in: Simple sentence construction (Grade 1)

expanded form

Maths

A number written as the sum of its place values.

Learn it in: Expanded form (Grade 2), Expanded form (Grade 3), Expanded form (Grade 5)

expanded notation

Maths

A number written as a sum of place values.

Learn it in: Expanded notation (Grade 4)

expense

Maths

Money going out.

Learn it in: Applying mathematics to real situations (Grade 6)

experience

English

something that happened to you

Learn it in: Connecting stories to experiences (Grade 1), Writing personal experiences (Grade 1), Presenting personal experiences (Grade 1)

expert

English

a person with special knowledge

Learn it in: Source reliability (Grade 4), Supporting evidence (Grade 5)

expert opinion

English

a view from a specialist

Learn it in: Selecting evidence (Grade 6)

expert testimony

English

a statement from a specialist in the field

Learn it in: Evidence and opinion (Grade 6)

expertise

English

special knowledge in a field

Learn it in: Source credibility (Grade 6)

explain

English

tell how or why in a clear way

Learn it in: Giving clear explanations (Grade 2), Academic vocabulary (Grade 2), Explaining information (Grade 3)

explain

Maths

Tell how and why.

Learn it in: Creating patterns (Grade 1), Explaining solutions (Grade 6)

explanation

English

a text that tells how or why

Learn it in: Simple explanations (Grade 2), Evaluating explanations (Grade 5)

exponent

Maths

Tells how many 10s.

Learn it in: Powers of ten (Grade 5)

exposition

English

the start that shows characters and setting

Learn it in: Plot structure (Grade 4), Plot and narrative structure (Grade 6)

expression

English

using your voice to show feeling

Learn it in: Reading with phrasing (Grade 1), Acting out stories (Grade 1), Reading with expression (Grade 2)

expression

Maths

Numbers and operations without =.

Learn it in: Numerical expressions (Grade 5), Numerical expressions (Grade 5), Algebraic expressions (Grade 6)

extended metaphor

English

a metaphor carried through several lines

Learn it in: Figurative language (Grade 5), Figurative language (Grade 6)

external conflict

English

a struggle with another person or force

Learn it in: Conflict and resolution (Grade 5), Conflict (Grade 6)

eye contact

English

looking at your audience

Learn it in: Short presentations (Grade 2), Oral presentations (Grade 2), Presentations (Grade 3)

eyewitness

English

a person who saw an event

Learn it in: Primary and secondary sources (Grade 4)

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