About this preparation
Math diagnostic test, Grade 4: Place value and number comparison. 10 questions with answers and explanations. Topics: Place value and number comparison, Addition and subtraction, Multiplication and division, Fractions, Measurement and 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
Which number is the greatest?
4,305
4,350
4,053
4,305
Explanation: Compare the hundreds, tens, and ones places. 4,350 is the greatest number.
2
What is 468 + 257?
615
725
715
735
Explanation: Add ones, tens, and hundreds: 468 + 257 = 725.
3
What is 900 - 476?
424
434
524
414
Explanation: Subtract carefully: 900 - 476 = 424.
4
What is 7 × 8?
54
56
63
48
Explanation: 7 groups of 8 equals 56.
5
What is 48 ÷ 6?
6
7
8
9
Explanation: 48 divided into 6 equal groups gives 8 in each group.
6
Which of these fractions are equal to 1/2?
2/4
3/6
1/4
4/8
Explanation: Fractions are equal to 1/2 when the numerator is half of the denominator.
7
A pencil costs 12 cents. How much do 4 pencils cost?
36 cents
40 cents
48 cents
52 cents
Explanation: Multiply 12 by 4: 12 × 4 = 48.
8
Which time is 30 minutes after 2:15?
2:30
2:45
3:00
3:15
Explanation: Adding 30 minutes to 2:15 gives 2:45.
9
A rectangle has a length of 6 cm and a width of 3 cm. What is its perimeter?
9 cm
12 cm
15 cm
18 cm
Explanation: Perimeter = 6 + 3 + 6 + 3 = 18 cm, or 2 × (6 + 3) = 18 cm. The correct answer is 18 cm.
10
Which statements are true?
500 is greater than 450
3 × 9 = 27
1/3 is equal to 1/2
100 - 25 = 75
Explanation: Check each statement using comparison, multiplication, and subtraction.
