About this preparation
Math diagnostic test, Grade 3: Addition and subtraction within 1000. 10 questions with answers and explanations. Topics: Addition and subtraction within 1000, Multiplication and division basics, Place value, Word problems, Fractions, 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 347 + 126?
463
473
483
453
Explanation: Add hundreds, tens, and ones: 300 + 100 = 400, 40 + 20 = 60, 7 + 6 = 13. Then 400 + 60 + 13 = 473.
2
What is 500 - 278?
222
232
212
322
Explanation: Subtract step by step: 500 - 200 = 300, 300 - 70 = 230, 230 - 8 = 222.
3
Which number has 6 hundreds, 4 tens, and 9 ones?
649
694
469
604
Explanation: 6 hundreds = 600, 4 tens = 40, and 9 ones = 9. The number is 649.
4
What is 7 × 4?
11
21
28
32
Explanation: 7 groups of 4 equals 28.
5
A box has 24 apples. If the apples are shared equally among 6 children, how many apples does each child get?
3
4
5
6
Explanation: To share 24 apples equally among 6 children, divide 24 by 6. Each child gets 4 apples.
6
Which fraction shows one-half of a shape?
1/2
1/3
2/3
3/4
Explanation: One-half means 1 out of 2 equal parts, which is written as 1/2.
7
What time is shown if the hour hand is on 3 and the minute hand is on 12?
3:00
12:03
3:12
12:30
Explanation: When the minute hand is on 12, it is exactly on the hour. The hour hand on 3 means 3:00.
8
Mina has 18 stickers. She buys 7 more stickers. How many stickers does she have now?
24
25
26
27
Explanation: Add the stickers: 18 + 7 = 25.
9
Which number is greatest?
408
480
408
448
Explanation: Compare the hundreds, tens, and ones. 480 is greater than 448 and 408.
10
Which of these numbers is an even number?
35
47
62
91
Explanation: An even number can be divided into 2 equal groups with no remainder. 62 is even.
