About this preparation
Math diagnostic test, Year 4: Rounding and Core Grade 4 Skills. 10 questions with answers and explanations. Topics: Rounding, Place value, Addition and subtraction, Multiplication and division, 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
Round 347 to the nearest ten.
340
350
347
400
Explanation: The ones digit is 7, so we round up to the next ten: 350.
2
Round 682 to the nearest hundred.
600
680
700
690
Explanation: The tens digit is 8, so 682 rounds up to 700.
3
Which number is rounded to 500 when rounded to the nearest hundred?
451
549
499
All of these
Explanation: Numbers from 450 to 549 round to 500 to the nearest hundred.
4
What is the value of the digit 6 in 4,672?
6
60
600
6,000
Explanation: The 6 is in the hundreds place, so its value is 600.
5
Estimate the sum 398 + 201 by rounding each number to the nearest hundred.
500
600
700
900
Explanation: 398 rounds to 400 and 201 rounds to 200. 400 + 200 = 600.
6
Which calculation is correct?
7 × 4 = 24
7 × 4 = 28
7 × 4 = 30
7 × 4 = 32
Explanation: Seven groups of four equals 28.
7
A box has 36 pencils. They are shared equally among 4 students. How many pencils does each student get?
8
9
10
12
Explanation: 36 ÷ 4 = 9.
8
What is 425 + 178?
593
603
613
503
Explanation: 425 + 178 = 603? Let's check carefully: 425 + 100 = 525, + 78 = 603. So the correct answer is 603.
9
Round 1,249 to the nearest thousand.
1,000
1,200
1,300
2,000
Explanation: Since 1,249 is less than 1,500, it rounds down to 1,000.
10
A shop sold 48 apples on Monday and 52 apples on Tuesday. About how many apples were sold in total if each number is rounded to the nearest ten?
90
100
110
120
Explanation: 48 rounds to 50 and 52 rounds to 50. 50 + 50 = 100.
