About this preparation
Math diagnostic test, Grade 2: Number sense, Addition and subtraction. 11 questions with answers and explanations. Topics: Number sense, Addition and subtraction, Place value, Measurement, Geometry, Word problems. Duration: 55 min.
Diagnostic tasks
Below is the full list of tasks with correct answers and explanations. In a lesson the tutor can hide the answers and reveal them after the student tries.
1
What number comes next: 48, 49, 50, __ ?
51
52
60
41
Explanation: The numbers increase by 1 each time, so the next number is 51.
2
Which number is greater?
36
63
33
30
Explanation: 63 is greater than 36, 33, and 30.
3
What is 27 + 12?
29
39
49
37
Explanation: Add tens and ones: 20 + 10 = 30, and 7 + 2 = 9. Total is 39.
4
What is 45 - 18?
27
23
37
33
Explanation: Subtract 10 to get 35, then subtract 8 more to get 27.
5
Which numbers are even?
14
17
22
29
Explanation: Even numbers can be split into two equal groups without leftovers. 14 and 22 are even.
6
Which shape has 3 sides?
Square
Triangle
Circle
Rectangle
Explanation: A triangle has 3 sides.
7
A pencil is 12 cm long. Which is the best estimate for the length of a book?
1 cm
10 cm
20 cm
100 cm
Explanation: A book is usually longer than a pencil, and 20 cm is a reasonable estimate.
8
There are 6 apples in a basket. 3 apples are taken out. How many apples are left?
2
3
4
9
Explanation: Start with 6 and take away 3. That leaves 3.
9
Which number has 5 tens and 4 ones?
45
54
504
59
Explanation: 5 tens means 50, and 4 ones means 4. 50 + 4 = 54.
10
Which of these are ways to make 10?
1 + 9
2 + 7
5 + 5
6 + 3
Explanation: 1 + 9 and 5 + 5 both equal 10.
11
Mia has 8 stickers. She gets 4 more stickers. How many stickers does she have now?
10
11
12
14
Explanation: Add 8 and 4 to get 12.
