StudyBrixFree worksheets, study guides and courses

Grade 3 · Mathematics

Grade 3 Mathematics diagnostic

16 questions on number skills, arithmetic, fractions, algebra, geometry, measurement & time and statistics & probability, plus 2 from Grade 2. Answer what you can, then check your answers to see which topics are secure and what to practise next.

16 questions7 topicsAbout 20 minutesSet 5 of 5

Skip a question if you do not know the answer. It is better than guessing, because it shows what to practise.

1Number skillsRound 5327 to the nearest hundred.
2Number skillsRound 104 to the nearest ten.
3Arithmetic264 + 226 = ?
4Arithmetic915 − 252 = ?
5Fractions11/13 = □/156
6Fractions1/14 + □ = 1
7AlgebraWhat comes next? 50, 72, 94, 116, …
8AlgebraWhat comes next? 83, 101, 119, 137, …
9GeometryA rectangle is 48 cm long and 47 cm wide. Find its perimeter in cm.48 cm47 cm
cm
10GeometryFind the area of a 46 cm by 48 cm rectangle, in cm².46 cm48 cm
cm²
11Measurement & timeConvert 17.09 metres to centimetres.
cm
12Measurement & timeAn activity starts at 08:40 and ends at 09:39 on the same day (24-hour clock). How many minutes does it last?
min
13Statistics & probabilityA class counts blocks: red 11, blue 7, yellow 2. How many blocks in all?
14Statistics & probabilityFind the median of 3, 5, 9, 11.

From Grade 2

These questions check skills from the grade below, so gaps can be spotted early.

15Arithmetic (Grade 2)20 − 15 = ?
16Patterns (Grade 2)45, 50, 55, □, 65