Glossary: Terms Starting with U
25 definitions with links to the lessons that teach each word.
unfamiliar
English
not known yet
Learn it in: Context clues (Grade 2), Reading unfamiliar words (Grade 3)
unit
Maths
A fixed amount used to measure.
Learn it in: Measuring using non-standard units (Grade 1), Solving measurement problems (Grade 2), Standard measurement units (Grade 3)
unit fraction
Maths
A fraction with 1 on top.
Learn it in: Recognising unit fractions (Grade 2), Unit fractions (Grade 3), Fractions mastery assessment (Grade 3)
unit price
Maths
The price of one item.
Learn it in: Money calculations (Grade 3), Decimal word problems (Grade 6), Comparing quantities (Grade 6)
unknown
Maths
A value we do not know.
Learn it in: Unknown quantities (Grade 5), Variables (Grade 6), Understanding mathematical problems (Grade 6)
unlike denominators
Maths
Different bottom numbers.
Learn it in: Adding fractions with unlike denominators (Grade 5), Subtracting fractions with unlike denominators (Grade 5)
unsupported claim
English
a claim with no real evidence
Learn it in: Identifying claims and evidence (Grade 6), Evidence and unsupported claims (Grade 6)
up to date
English
recent and still correct
Learn it in: Source reliability (Grade 4), Evaluating source usefulness (Grade 5)
uppercase
English
a big, capital letter
Learn it in: Uppercase and lowercase letters (Grade 1), Uppercase letters (Grade 1)