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 3 of 5

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

1Number skillsWhat is the value of the hundreds digit in 6719?
2Number skillsRound 466 to the nearest ten.
3Arithmetic227 + □ = 434
4Arithmetic26 − 15 = ?
5FractionsFind 4/7 of 63.
6Fractions6/13 + □ = 1
7AlgebraWhat comes next? 34, 36, 38, 40, …
8AlgebraWhat comes next? 45, 70, 95, 120, …
9GeometryA rectangle is 38 cm long and 39 cm wide. Find its perimeter in cm.38 cm39 cm
cm
10GeometryA square has side 43 cm. Find its perimeter in cm.
cm
11Measurement & timeConvert 3 hours and 24 minutes to minutes.
min
12Measurement & timeConvert 39.77 metres to centimetres.
cm
13Statistics & probabilityA class counts blocks: red 7, blue 12, yellow 7. How many blocks in all?
14Statistics & probabilityFind the range of 5, 9, 9, 12.

From Grade 2

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

15Number skills (Grade 2)Which expanded form equals 360?
16Measurement & time (Grade 2)One strip is 31 cm long and another is 8 cm long. What is their total length?