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Primary 1 Mathematics Practice Paper 4

Free P1 Maths Practice Paper 4, Ox AI version, with questions, answers, and syllabus-aligned practice for Singapore students.

These static practice materials are generated from the site's syllabus and paper-generation workflow, with source and model context shown so students and parents can evaluate the material before use.

Primary 1 Mathematics AI Generated Generated by Ox Alpha Updated 2026-08-27

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Answers

TuitionGoWhere Practice Paper - Mathematics Primary 1

Answer Key — Numbers Practice Paper, Version 4 of 5

Total Marks: 40

Section A: Counting, Reading and Writing Numbers (5 marks)

Q1 (1 mark): 17 stars

Q2 (1 mark): 76

Q3 (1 mark): fifty-eight

Q4 (1 mark): 50

Q5 (1 mark): 70

Section B: Place Value and Comparing Numbers (10 marks)

Q6 (2 marks): There are 3 tens and 5 ones. The number is 35.

Q7 (2 marks): (a) The value of the digit 7 is 7 tens = 70 (1 mark) (b) The value of the digit 4 is 4 ones = 4 (1 mark)

Q8 (2 marks): Circle 85. Explanation: Compare the tens digits first. 85 has 8 tens and 58 has 5 tens. Since 8 tens is greater than 5 tens, 85 is greater than 58.

Q9 (2 marks): (a) 46 < 64 (1 mark) (b) 90 > 89 (1 mark)

Q10 (2 marks): 27, 57, 72

Section C: Number Patterns and Ordinal Numbers (10 marks)

Q11 (2 marks): 5, 10, 15, 20, 25 (count on in fives)

Q12 (2 marks): 44, 42, 40, 38, 36 (count back in twos)

Q13 (2 marks): Missing number: 40. Rule: Count on in fives (add 5 each time).

Q14 (2 marks): Ali was 5th. Mei Ling (4th) leaves, so everyone after her moves up one place. Ali is now 4th.

Q15 (2 marks): 9 − 7 = 2 children are behind Sara.

Section D: Thinking and Problem Solving (15 marks)

Q16 (3 marks): 6 tens = 60. 13 ones = 13. 60 + 13 = 73. The mystery number is 73.

Q17 (3 marks): Tens digit = 4. Ones digit = 4 + 3 = 7. The number is 47.

Q18 (3 marks): 66, 63, 60, 36 (largest to smallest)

Q19 (3 marks): Ravi's list: 5, 10, 15, 20, 25, 30, 35. The 7th number is 35.

Q20 (3 marks): (a) Class 1A has more children. (1 mark) (b) Working: 34 − 29 = 5. Class 1A has 5 more children than Class 1B. (2 marks)

— End of Answer Key —