About this preparation
Math diagnostic test, Year 2: Addition and subtraction within 100. 10 questions with answers and explanations. Topics: Addition and subtraction within 100, Place value, Comparing numbers, Word problems, Basic geometry, Measurement and time. 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 is 36 + 24?
50
60
70
80
Explanation: Add the tens and ones: 30 + 20 = 50, and 6 + 4 = 10. Then 50 + 10 = 60.
2
What is 58 - 19?
39
41
49
29
Explanation: Subtract 20 from 58 to get 38, then add 1 back because 19 is 1 less than 20. So the answer is 39.
3
Which number is greater?
47
74
Explanation: 74 has 7 tens, while 47 has 4 tens. A number with more tens is greater.
4
Which numbers have 5 tens?
52
45
59
61
Explanation: Numbers with 5 tens are from 50 to 59. Here, 52 and 59 have 5 tens.
5
Mia has 18 stickers. She gets 7 more stickers. How many stickers does she have now?
24
25
26
27
Explanation: Add 7 to 18: 18 + 7 = 25.
6
Which shape has 4 equal sides?
Triangle
Rectangle
Square
Circle
Explanation: A square has 4 equal sides.
7
Which of these are even numbers?
12
15
28
33
Explanation: Even numbers can be split into two equal groups. 12 and 28 are even.
8
There are 3 bags with 4 apples in each bag. How many apples are there altogether?
7
10
12
14
Explanation: This is repeated addition: 4 + 4 + 4 = 12.
9
What time is shown if the hour hand is on 3 and the minute hand is on 12?
3:00
12:03
3:12
12:00
Explanation: When the minute hand is on 12, it is exactly on the hour. The hour hand on 3 means 3:00.
10
Which number is missing? 21, 22, __, 24, 25
23
26
20
24
Explanation: The numbers are counting up by 1, so the missing number is 23.
