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 2 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 2423?
2Number skillsRound 359 to the nearest ten.
3Arithmetic219 + 432 = ?
4Arithmetic279 ÷ 9 = ?
5FractionsFind 4/10 of 280.
6Fractions8/10 = □/110
7AlgebraWhat comes next? 31, 34, 37, 40, …
8AlgebraWhat comes next? 81, 90, 99, 108, …
9GeometryA rectangle has area 594 cm² and length 33 cm. Find its width in cm.
cm
10GeometryFind the area of a 26 cm by 9 cm rectangle, in cm².26 cm9 cm
cm²
11Measurement & timeConvert 5 hours and 8 minutes to minutes.
min
12Measurement & timeConvert 81.86 metres to centimetres.
cm
13Statistics & probabilityA class counts blocks: red 11, blue 2, yellow 3. How many blocks in all?
14Statistics & probabilityOrdered scores are 2, 3, 7, 8, 20. Find the median.

From Grade 2

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

15Patterns (Grade 2)16, 18, 20, □, 24
16Statistics & probability (Grade 2)A class chart shows 11 cat votes and 12 dog votes. How many votes altogether?