Glossary: Terms Starting with H
60 definitions with links to the lessons that teach each word.
habitat
Science
the place where a plant or an animal lives
Learn it in: Living things in our surroundings (Grade 1), Caring for animals (Grade 1), Natural surroundings (Grade 1)
half
Maths
One of two equal parts.
Learn it in: Halves (Grade 2), Quarters (Grade 2), Fractions in everyday life (Grade 2)
half past
Maths
Thirty minutes after the hour.
Learn it in: Reading time to the half-hour (Grade 1), Reading clocks (Grade 2)
halving and doubling
Maths
Halve one factor, double the other.
Learn it in: Mental strategies (Grade 5)
hand lens
Science
a tool that makes small things look bigger
Learn it in: Reviewing scientific observation (Grade 2)
hasty generalisation
English
a broad claim from too little evidence
Learn it in: Evaluating reasoning (Grade 6)
head
Science
the part with the eyes, mouth and ears
Learn it in: Animal body parts (Grade 1), External body parts (Grade 1)
heading
English
a title above a section
Learn it in: Informational texts (Grade 2), Titles and headings (Grade 2), Text features (Grade 3)
hearing
Science
listening with our ears
Learn it in: Using our senses to observe (Grade 1), The five senses (Grade 1), Protecting our hearing (Grade 1)
heavier
Science
feels harder to hold up
Learn it in: Comparing objects (Grade 1), Comparing objects (Grade 2)
height
Maths
How tall.
Learn it in: Volume of rectangular prisms (Grade 5), Area of triangles (Grade 6)
homograph
English
words spelled the same but with different meanings
Learn it in: Multiple-meaning words (Grade 4), Contextual vocabulary (Grade 5), Multiple-meaning words (Grade 6)
hook
English
an opening that makes the reader want to read on
Learn it in: Story beginnings (Grade 3), Presentation organisation (Grade 4), Introductions (Grade 4)
hour hand
Maths
The short hand that shows the hour.
Learn it in: Reading time to the hour (Grade 1), Reading time to the half-hour (Grade 1), Reading clocks (Grade 2)
how many
Maths
The total number of things.
Learn it in: Counting objects from 0–10 (Grade 1), Dividing whole numbers by unit fractions (Grade 5)
hundred
Maths
Ten tens, written 100.
Learn it in: Numbers to 100 (Grade 1), Counting hundreds (Grade 2)
hundred chart
Maths
A grid of numbers from 1 to 100 in rows of ten.
Learn it in: Numbers to 100 (Grade 1)
hundreds
Maths
Groups of one hundred.
Learn it in: Counting hundreds (Grade 2), Hundreds, tens and ones (Grade 2), Addition within 1,000 (Grade 2)
hundredth
Maths
One of 100 equal parts.
Learn it in: Understanding hundredths (Grade 4), Meaning of percent (Grade 5), Decimals and percentages (Grade 5)
hundredths
Maths
Second place after the point.
Learn it in: Decimal place value (Grade 4), Decimal place value (Grade 5)
hyperbole
English
extreme exaggeration
Learn it in: Figurative language (Grade 4), Figurative language (Grade 5), Figurative language (Grade 6)