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Primary 1 Mathematics Practice Paper 3
Free P1 Maths Practice Paper 3, LongCat AI version, with questions, answers, and syllabus-aligned practice for Singapore students.
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Answers
TuitionGoWhere Practice Paper — Answer Key
Subject: Mathematics | Level: Primary 1 | Version: 3 of 5
Paper: Practice Paper — Numbers (Whole Numbers up to 100)
Total Marks: 20
Section A: Counting and Number Recognition
1. 15 stars
Working: Count all the stars: 5 + 5 + 5 + 3 = 15.
[1 mark] for the correct answer.
Common mistake: Students may miscount the last group of 3. Encourage crossing off each star as they count.
2. 40
Working: Counting in tens: 10, 20, 30, 40, 50.
[1 mark] for the correct answer.
3. 62
Working: "sixty-two" = 6 tens and 2 ones = 62.
[1 mark] for the correct numeral.
Common mistake: Writing "602" or "26". Remind students that "sixty" means 6 tens.
4. Student should draw exactly 28 circles.
Working: Count to 28 and draw one circle for each count.
[1 mark] for exactly 28 circles drawn. Accept minor drawing imperfections.
5. 29 apples
Working: Count the apples: 10 + 10 + 9 = 29.
[1 mark] for the correct answer.
Common mistake: Students may count 10 + 10 + 10 = 30. The last row has only 9 apples.
Section B: Place Value
6. 50
Working: In 58, the digit 5 is in the tens place. The value of 5 tens = 50.
[1 mark] for the correct answer.
Common mistake: Writing "5" instead of "50". Remind students that the value of a digit depends on its place.
7. 7 tens and 3 ones
Working: 73 = 7 tens + 3 ones.
[1 mark] for both correct answers. Award 0 if either is wrong.
8. 1
Working: In 91, the digit in the ones place is 1.
[1 mark] for the correct answer.
9. 4 tens and 6 ones
Working: 46 = 4 tens + 6 ones.
[1 mark] for both correct answers.
10. 30
Working: In 35, the digit 3 is in the tens place. The value of 3 tens = 30.
[1 mark] for the correct answer.
Common mistake: Writing "3" instead of "30".
Section C: Comparing and Ordering Numbers
11. 45
Working: Compare 45 and 54. Both have different tens digits. 4 tens < 5 tens, so 45 is smaller.
[1 mark] for the correct answer.
12. 37 ✓ and 29 ✗
Working: 37 > 29 because 3 tens > 2 tens.
[1 mark] for both correct marks.
13. 28, 50, 82
Working: Compare all three numbers. 28 is smallest (2 tens), 50 is next (5 tens), 82 is biggest (8 tens).
[1 mark] for the correct order. All three must be in the correct position.
14. >
Working: 63 > 36 because 6 tens > 3 tens.
[1 mark] for the correct symbol.
15. 91
Working: Compare: 19 (1 ten), 91 (9 tens), 11 (1 ten). 9 tens is the most, so 91 is the biggest.
[1 mark] for the correct answer.
Section D: Number Patterns and Ordinal Numbers
16. 25, 30
Working: The pattern increases by 5 each time: 5, 10, 15, 20, 25, 30.
[1 mark] for both correct answers.
17. 4th
Working: Counting the positions: 🍎 (1st), 🍌 (2nd), 🍇 (3rd), 🍦 (4th), 🍊 (5th).
[1 mark] for "4th".
18. 60, 50
Working: The pattern decreases by 10 each time: 100, 90, 80, 70, 60, 50.
[1 mark] for both correct answers.
19. 48
Working: The pattern increases by 1 each time: 45, 46, 47, 48, 49.
[1 mark] for the correct answer.
20. Mary
Working: Mary is 3rd and Tom is 6th. A smaller ordinal number means a position closer to the front. 3rd is in front of 6th, so Mary is in front.
[1 mark] for "Mary".
Common mistake: Students may think a bigger number means "in front". Remind them that 1st is at the front of the queue.
Total: 20 / 20