About this preparation
Math diagnostic test, Year 3: Addition and subtraction. 12 questions with answers and explanations. Topics: Addition and subtraction, Multiplication and division, Place value, Word problems, Number facts. Duration: 20 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 47 + 26?
63
73
83
93
Explanation: Add the tens and ones: 40 + 20 = 60, and 7 + 6 = 13. Then 60 + 13 = 73.
2
What is 82 - 39?
43
53
33
23
Explanation: Subtract 40 from 82 to get 42, then add 1 back because 39 is 1 less than 40. So the answer is 43.
3
What is 6 × 4?
10
18
24
28
Explanation: 6 groups of 4 make 24.
4
What is 36 ÷ 6?
5
6
7
8
Explanation: 36 split into 6 equal groups gives 6 in each group.
5
Which number is 5 tens and 8 ones?
58
508
85
50
Explanation: 5 tens means 50 and 8 ones means 8. 50 + 8 = 58.
6
What is 125 + 30?
145
155
165
185
Explanation: Adding 30 means adding 3 tens to 125, which gives 155.
7
What is 90 - 47?
33
43
53
63
Explanation: 90 - 40 = 50, and 50 - 7 = 43.
8
What is 7 × 5?
30
35
40
45
Explanation: 7 groups of 5 make 35.
9
What is 48 ÷ 8?
5
6
7
8
Explanation: 48 split into 8 equal groups gives 6 in each group.
10
Mia has 23 stickers. She gets 19 more. How many stickers does she have now?
32
42
52
62
Explanation: Add 23 and 19: 23 + 10 = 33, then 33 + 9 = 42.
11
A box has 4 rows of 6 apples. How many apples are there altogether?
20
22
24
26
Explanation: 4 rows of 6 means 4 × 6 = 24.
12
What is the missing number? 64 - ___ = 29
25
34
35
45
Explanation: Find the difference between 64 and 29: 64 - 29 = 35.
