Glossary

Plain-English definitions. Grows as new terms appear in lessons.

For James (kid-friendly)

Sound out	Say each sound in a word slowly, then run them together.
Blend	Push sounds together to make a word: c-a-t → cat.
Sight word	A word you just know by looking, without sounding it out (e.g. the).
Capital letter	A big letter. It starts a sentence and starts names.
Full stop	The little dot that ends a sentence.
Number bond	Two numbers that join to make another (6 + 4 = 10).
Double	Add a number to itself (double 4 = 8).
Share	Split into equal groups.
Pattern	Something that repeats in the same way.

Phoneme	The smallest unit of sound in a word.
Grapheme	The letter(s) that write a phoneme (e.g. sh, igh).
CVC word	Consonant-vowel-consonant word, e.g. cat, sun.
Segment & blend	Break a word into sounds (segment) / push sounds together (blend).
Inference	Working out something the text implies but doesn't state — "reading between the lines." Lesson →
Subitise	Instantly see how many without counting (e.g. dots on a dice).
Partitioning	Splitting a number into parts (23 = 20 + 3).
Place value	The value of a digit by its position (the 2 in 23 means 20).
Commutativity	Order doesn't change the answer for + and ×: 3 × 4 = 4 × 3. Used here →
Number bond	A pair (or set) that combines to a total. Lesson →
Non-verbal reasoning	Problem-solving with shapes/patterns rather than words.