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Primary 1 Mathematics Practice Paper 4
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Questions
TuitionGoWhere Practice Paper - Mathematics Primary 1
TuitionGoWhere Practice Paper (AI)
Subject: Mathematics
Level: Primary 1
Paper: Practice Paper 4 (Numbers up to 100)
Duration: 45 minutes
Total Marks: 40
Name: ________________________
Class: Primary 1 ________
Date: ________________________
Instructions to Candidates
- Do not open this booklet until you are told to do so.
- Follow all instructions carefully.
- Answer all questions.
- Write your answers in the spaces provided.
- The number of marks is given in brackets [ ] at the end of each question or part question.
- The total marks for this paper is 40.
Section A: Multiple Choice Questions (10 marks)
Choose the correct answer and write its number (1, 2, 3 or 4) in the brackets provided. Each question carries 1 mark.
1. Count the stars below. How many stars are there?
Generated diagram for Q1.
(1) 16
(2) 17
(3) 18
(4) 19
Answer: (_____) [1]
2. What is the value of the digit 5 in the number 58?
(1) 5
(2) 8
(3) 50
(4) 58
Answer: (_____) [1]
3. Which of the following numbers is the smallest?
(1) 42
(2) 24
(3) 34
(4) 43
Answer: (_____) [1]
4. Look at the number pattern below. What is the missing number?
12, 14, 16, ______, 20
(1) 17
(2) 18
(3) 19
(4) 21
Answer: (_____) [1]
5. There are 25 children in a class. 13 are boys. How many girls are there?
(1) 11
(2) 12
(3) 13
(4) 38
Answer: (_____) [1]
6. Which number comes just before 70?
(1) 68
(2) 69
(3) 71
(4) 79
Answer: (_____) [1]
7. 4 tens and 7 ones make ______.
(1) 47
(2) 74
(3) 407
(4) 470
Answer: (_____) [1]
8. Arrange these numbers from the smallest to the greatest: 38, 83, 58, 85
(1) 38, 58, 83, 85
(2) 38, 58, 85, 83
(3) 85, 83, 58, 38
(4) 58, 38, 83, 85
Answer: (_____) [1]
9. There are 36 apples in a basket. 15 apples are red. The rest are green. How many green apples are there?
(1) 21
(2) 22
(3) 51
(4) 52
Answer: (_____) [1]
10. Which of the following shows the number forty-six in numerals?
(1) 46
(2) 64
(3) 406
(4) 460
Answer: (_____) [1]
Section B: Short Answer Questions (20 marks)
Write your answers in the spaces provided. Show your working clearly. Each question carries 2 marks.
11. Count the circles and write the number in numerals and in words.
Generated diagram for Q11.
Numerals: _______________
Words: ________________________________ [2]
12. Fill in the blanks.
(a) 63 = ______ tens ______ ones
(b) 80 = ______ tens ______ ones
[2]
13. Compare the numbers. Write >, < or = in each box.
(a) 45 □ 54
(b) 72 □ 27
(c) 99 □ 99
(d) 61 □ 16
[2]
14. Complete the number patterns.
(a) 5, 10, 15, ______, 25, ______
(b) 80, 70, 60, ______, ______, 30
[2]
15. Write the missing numbers in the boxes.
(a) 34 + ______ = 50
(b) ______ - 18 = 42
[2]
16. Look at the picture below.
Generated diagram for Q16.
(a) How many pencils are there in Group A? ______
(b) How many more pencils than erasers are there? ______
[2]
17. Fill in the blanks with the correct ordinal numbers.
1st, 2nd, 3rd, ______, 5th, ______, 7th, ______, 9th, 10th
[2]
18. There are 48 stickers in a packet. Ali uses 23 stickers. How many stickers are left?
Working:
Answer: ______ stickers [2]
19. Mrs Tan has 35 red beads and 24 blue beads. How many beads does she have altogether?
Working:
Answer: ______ beads [2]
20. Study the number cards below.
Generated diagram for Q20.
(a) Which card shows the greatest number? Card ______
(b) Which card shows the smallest number? Card ______
[2]
Section C: Word Problems (10 marks)
Read each problem carefully. Show your working clearly. Write your answer in the space provided. Each question carries 2 marks.
21. Sam has 26 marbles. He buys 15 more marbles. How many marbles does Sam have now?
Working:
Answer: ______ marbles [2]
22. There are 54 birds on a tree. 28 birds fly away. How many birds are left on the tree?
Working:
Answer: ______ birds [2]
23. A box contains 36 crayons. Another box contains 27 crayons. How many crayons are there in both boxes altogether?
Working:
Answer: ______ crayons [2]
24. Lily has 62 stickers. She gives 35 stickers to her friend. How many stickers does Lily have left?
Working:
Answer: ______ stickers [2]
25. There are 45 children at a party. 18 are boys. How many girls are at the party?
Working:
Answer: ______ girls [2]
End of Paper
Total Marks: 40
Answers
TuitionGoWhere Practice Paper - Mathematics Primary 1 (Answer Key)
Subject: Mathematics
Level: Primary 1
Paper: Practice Paper 4 (Numbers up to 100)
Total Marks: 40
Section A: Multiple Choice Questions (10 marks)
1. Answer: (3) 18
Explanation: Count each star carefully. There are 3 rows of 6 stars each. 6 + 6 + 6 = 18 stars in total.
Marking: 1 mark for correct answer.
2. Answer: (3) 50
Explanation: In the number 58, the digit 5 is in the tens place. The value of a digit in the tens place is the digit × 10. So, 5 × 10 = 50.
Common mistake: Choosing (1) 5 confuses the digit with its value.
Marking: 1 mark for correct answer.
3. Answer: (2) 24
Explanation: Compare the tens digit first. 24 has 2 tens, while 42, 34, and 43 have 3 or 4 tens. 2 tens is the smallest.
Marking: 1 mark for correct answer.
4. Answer: (2) 18
Explanation: The pattern increases by 2 each time: 12 (+2) → 14 (+2) → 16 (+2) → 18 (+2) → 20.
Marking: 1 mark for correct answer.
5. Answer: (2) 12
Explanation: Total children = 25. Boys = 13. Girls = Total − Boys = 25 − 13 = 12.
Common mistake: Choosing (4) 38 adds instead of subtracts.
Marking: 1 mark for correct answer.
6. Answer: (2) 69
Explanation: The number just before 70 is one less than 70. 70 − 1 = 69.
Marking: 1 mark for correct answer.
7. Answer: (1) 47
Explanation: 4 tens = 40. 7 ones = 7. 40 + 7 = 47.
Marking: 1 mark for correct answer.
8. Answer: (1) 38, 58, 83, 85
Explanation: Compare tens first: 38 (3 tens), 58 (5 tens), 83 (8 tens), 85 (8 tens). For 83 and 85, compare ones: 3 < 5. Order: 38, 58, 83, 85.
Marking: 1 mark for correct answer.
9. Answer: (1) 21
Explanation: Total apples = 36. Red apples = 15. Green apples = Total − Red = 36 − 15 = 21.
Marking: 1 mark for correct answer.
10. Answer: (1) 46
Explanation: "Forty-six" means 4 tens and 6 ones = 40 + 6 = 46.
Marking: 1 mark for correct answer.
Section B: Short Answer Questions (20 marks)
11. Numerals: 27
Words: twenty-seven
Explanation: Count the circles. There are 3 rows of 9 circles. 9 + 9 + 9 = 27. In words, 27 is written as "twenty-seven" (hyphen between twenty and seven).
Marking: 1 mark for correct numeral, 1 mark for correct spelling of words (accept "twenty seven" without hyphen).
12. (a) 63 = 6 tens 3 ones
(b) 80 = 8 tens 0 ones
Explanation: For 63, the digit 6 is in the tens place (6 tens = 60), digit 3 is in the ones place (3 ones = 3). For 80, the digit 8 is in the tens place (8 tens = 80), digit 0 is in the ones place (0 ones = 0).
Marking: 1 mark each part (½ mark per blank).
13. (a) 45 < 54
(b) 72 > 27
(c) 99 = 99
(d) 61 > 16
Explanation: Compare tens first. (a) 4 tens < 5 tens. (b) 7 tens > 2 tens. (c) Same number. (d) 6 tens > 1 ten.
Marking: ½ mark each correct symbol (total 2 marks).
14. (a) 5, 10, 15, 20, 25, 30
(b) 80, 70, 60, 50, 40, 30
Explanation: (a) Pattern increases by 5 (counting in fives). (b) Pattern decreases by 10 (counting backwards in tens).
Marking: 1 mark each part (½ mark per blank).
15. (a) 34 + 16 = 50
(b) 60 − 18 = 42
Explanation: (a) Find the difference: 50 − 34 = 16. (b) Find the starting number: 42 + 18 = 60.
Marking: 1 mark each part.
16. (a) 14
(b) 5
Explanation: (a) Count the pencils in Group A: 14. (b) Difference = Pencils − Erasers = 14 − 9 = 5.
Marking: 1 mark each part.
17. 1st, 2nd, 3rd, 4th, 5th, 6th, 7th, 8th, 9th, 10th
Explanation: Ordinal numbers show position. After 3rd comes 4th, then 6th, then 8th. Note the spelling: 4th (not 4rd), 6th, 8th.
Marking: ½ mark each correct ordinal (total 2 marks).
18. Working: 48 − 23 = 25
Answer: 25 stickers
Explanation: Start with 48 stickers. Subtract the 23 used. 48 − 20 = 28, then 28 − 3 = 25. Or use column subtraction.
Marking: 1 mark for correct working/method, 1 mark for correct answer with unit.
19. Working: 35 + 24 = 59
Answer: 59 beads
Explanation: Add the red beads and blue beads. 35 + 20 = 55, then 55 + 4 = 59. Or use column addition: 5+4=9 ones, 3+2=5 tens → 59.
Marking: 1 mark for correct working/method, 1 mark for correct answer with unit.
20. (a) Card 2 (82)
(b) Card 4 (25)
Explanation: Compare all numbers: 28, 82, 52, 25, 58. Greatest is 82 (Card 2). Smallest is 25 (Card 4).
Marking: 1 mark each part.
Section C: Word Problems (10 marks)
21. Working: 26 + 15 = 41
Answer: 41 marbles
Explanation: Sam starts with 26 marbles. He buys 15 more. "More" means addition. 26 + 10 = 36, 36 + 5 = 41.
Marking: 1 mark for correct operation and working, 1 mark for correct answer with unit.
22. Working: 54 − 28 = 26
Answer: 26 birds
Explanation: Start with 54 birds. 28 fly away, so subtract. 54 − 20 = 34, 34 − 8 = 26.
Marking: 1 mark for correct operation and working, 1 mark for correct answer with unit.
23. Working: 36 + 27 = 63
Answer: 63 crayons
Explanation: Two boxes, find total. "Altogether" means addition. 36 + 20 = 56, 56 + 7 = 63.
Marking: 1 mark for correct operation and working, 1 mark for correct answer with unit.
24. Working: 62 − 35 = 27
Answer
<stage5_exam_answers_md>
TuitionGoWhere Practice Paper - Mathematics Primary 1 (Answer Key)
Subject: Mathematics
Level: Primary 1
Paper: Practice Paper 4 (Numbers up to 100)
Total Marks: 40
Section A: Multiple Choice Questions (10 marks)
1. Answer: (3) 18
Explanation: Count each star carefully. There are 3 rows of 6 stars each. 6 + 6 + 6 = 18 stars in total.
Marking: 1 mark for correct answer.
2. Answer: (3) 50
Explanation: In the number 58, the digit 5 is in the tens place. The value of a digit in the tens place is the digit × 10. So, 5 × 10 = 50.
Common mistake: Choosing (1) 5 confuses the digit with its value.
Marking: 1 mark for correct answer.
3. Answer: (2) 24
Explanation: Compare the tens digit first. 24 has 2 tens, while 42, 34, and 43 have 3 or 4 tens. 2 tens is the smallest.
Marking: 1 mark for correct answer.
4. Answer: (2) 18
Explanation: The pattern increases by 2 each time: 12 (+2) → 14 (+2) → 16 (+2) → 18 (+2) → 20.
Marking: 1 mark for correct answer.
5. Answer: (2) 12
Explanation: Total children = 25. Boys = 13. Girls = Total − Boys = 25 − 13 = 12.
Common mistake: Choosing (4) 38 adds instead of subtracts.
Marking: 1 mark for correct answer.
6. Answer: (2) 69
Explanation: The number just before 70 is one less than 70. 70 − 1 = 69.
Marking: 1 mark for correct answer.
7. Answer: (1) 47
Explanation: 4 tens = 40. 7 ones = 7. 40 + 7 = 47.
Marking: 1 mark for correct answer.
8. Answer: (1) 38, 58, 83, 85
Explanation: Compare tens first: 38 (3 tens), 58 (5 tens), 83 (8 tens), 85 (8 tens). For 83 and 85, compare ones: 3 < 5. Order: 38, 58, 83, 85.
Marking: 1 mark for correct answer.
9. Answer: (1) 21
Explanation: Total apples = 36. Red apples = 15. Green apples = Total − Red = 36 − 15 = 21.
Marking: 1 mark for correct answer.
10. Answer: (1) 46
Explanation: "Forty-six" means 4 tens and 6 ones = 40 + 6 = 46.
Marking: 1 mark for correct answer.
Section B: Short Answer Questions (20 marks)
11. Numerals: 27
Words: twenty-seven
Explanation: Count the circles. There are 3 rows of 9 circles. 9 + 9 + 9 = 27. In words, 27 is written as "twenty-seven" (hyphen between twenty and seven).
Marking: 1 mark for correct numeral, 1 mark for correct spelling of words (accept "twenty seven" without hyphen).
12. (a) 63 = 6 tens 3 ones
(b) 80 = 8 tens 0 ones
Explanation: For 63, the digit 6 is in the tens place (6 tens = 60), digit 3 is in the ones place (3 ones = 3). For 80, the digit 8 is in the tens place (8 tens = 80), digit 0 is in the ones place (0 ones = 0).
Marking: 1 mark each part (½ mark per blank).
13. (a) 45 < 54
(b) 72 > 27
(c) 99 = 99
(d) 61 > 16
Explanation: Compare tens first. (a) 4 tens < 5 tens. (b) 7 tens > 2 tens. (c) Same number. (d) 6 tens > 1 ten.
Marking: ½ mark each correct symbol (total 2 marks).
14. (a) 5, 10, 15, 20, 25, 30
(b) 80, 70, 60, 50, 40, 30
Explanation: (a) Pattern increases by 5 (counting in fives). (b) Pattern decreases by 10 (counting backwards in tens).
Marking: 1 mark each part (½ mark per blank).
15. (a) 34 + 16 = 50
(b) 60 − 18 = 42
Explanation: (a) Find the difference: 50 − 34 = 16. (b) Find the starting number: 42 + 18 = 60.
Marking: 1 mark each part.
16. (a) 14
(b) 5
Explanation: (a) Count the pencils in Group A: 14. (b) Difference = Pencils − Erasers = 14 − 9 = 5.
Marking: 1 mark each part.
17. 1st, 2nd, 3rd, 4th, 5th, 6th, 7th, 8th, 9th, 10th
Explanation: Ordinal numbers show position. After 3rd comes 4th, then 6th, then 8th. Note the spelling: 4th (not 4rd), 6th, 8th.
Marking: ½ mark each correct ordinal (total 2 marks).
18. Working: 48 − 23 = 25
Answer: 25 stickers
Explanation: Start with 48 stickers. Subtract the 23 used. 48 − 20 = 28, then 28 − 3 = 25. Or use column subtraction.
Marking: 1 mark for correct working/method, 1 mark for correct answer with unit.
19. Working: 35 + 24 = 59
Answer: 59 beads
Explanation: Add the red beads and blue beads. 35 + 20 = 55, then 55 + 4 = 59. Or use column addition: 5+4=9 ones, 3+2=5 tens → 59.
Marking: 1 mark for correct working/method, 1 mark for correct answer with unit.
20. (a) Card 2 (82)
(b) Card 4 (25)
Explanation: Compare all numbers: 28, 82, 52, 25, 58. Greatest is 82 (Card 2). Smallest is 25 (Card 4).
Marking: 1 mark each part.
Section C: Word Problems (10 marks)
21. Working: 26 + 15 = 41
Answer: 41 marbles
Explanation: Sam starts with 26 marbles. He buys 15 more. "More" means addition. 26 + 10 = 36, 36 + 5 = 41.
Marking: 1 mark for correct operation and working, 1 mark for correct answer with unit.
22. Working: 54 − 28 = 26
Answer: 26 birds
Explanation: Start with 54 birds. 28 fly away, so subtract. 54 − 20 = 34, 34 − 8 = 26.
Marking: 1 mark for correct operation and working, 1 mark for correct answer with unit.
23. Working: 36 + 27 = 63
Answer: 63 crayons
Explanation: Two boxes, find total. "Altogether" means addition. 36 + 20 = 56, 56 + 7 = 63.
Marking: 1 mark for correct operation and working, 1 mark for correct answer with unit.
24. Working: 62 − 35 = 27
Answer: 27 stickers
Explanation: Lily starts with 62 stickers. She gives 35 away, so subtract. 62 − 30 = 32, 32 − 5 = 27.
Marking: 1 mark for correct operation and working, 1 mark for correct answer with unit.
25. Working: 45 − 18 = 27
Answer: 27 girls
Explanation: Total children = 45. Boys = 18. Girls = Total − Boys = 45 − 18 = 27.
Marking: 1 mark for correct operation and working, 1 mark for correct answer with unit.
End of Answer Key
Total Marks: 40
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