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\ 31-Oct-2023 Bharat Arora P-1 Reader’s Sign _______________________ Date __________

Chapter Assessment Practice Time 5D
1. (a) (i) (b) (ii) (c) (iv) (d) (ii) 1. Prime number: (c); Composite numbers: (a), (b), (d), (e), (f)
2. (a) False (b) False (c) False (d) False 2. (a) 11, 13, 17, 19, 23 and 29 (b) 53 and 59 (c) 83 and 89
(e) True (f) False 3. (a) 4 (b) 7 (c) 6
4. (a) 10, 5 (b) 7, 3 × 3 (c) 2 × 50, 25 × 2, 5 × 5
3. Question Rounds to 10 Actual Q and R Estimated Q and R 5. (a) 3, 5, 5 (b) 108, 27, 3, 3 (c) 5, 125, 5, 5, 25
(a) 81 ÷ 18 80 ÷ 20 4, 9 4, 0 6. (a) 2 × 3 × 3 (b) 2 × 2 × 5 (c) 2 × 2 × 2 × 2 × 2
(b) 56 ÷ 23 60 ÷ 20 2, 10 3, 0 (d) 2 × 3 × 7 (e) 2 × 2 × 3 × 5 (f) 3 × 3 × 3 × 3
(c) 312 ÷ 59 310 ÷ 60 5, 17 5, 10 Practice Time 5E
(d) 681 ÷ 53 680 ÷ 50 12, 45 13, 30 1. (a) 2 (b) 4 (c) 3 (d) 4
(e) 691 ÷ 51 690 ÷ 50 13, 28 13, 40 2. (a) 8 (b) 6 (c) 7 (d) 5
3.
(c) 24
(d) 10
(a) 6
(b) 20
4. 266 packets, 14 crayons left over 5. 209 6. 522 4. (a) 60 (b) 80 (c) 45 (d) 240
7. 225 9. 23 10. 220 Brain Sizzlers
Life Skills 2412
346, 50 Chapter Assessment
Brain Sizzlers 1. (a) (iii) (b) (ii) (c) (iii) (d) (i)
`8700 2. (a) F (b) F (c) F (d) T (e) F (f) T
3. (a) 30 (b) 10 (c) 60 (d) 20 (e) 33
Chapter 5. Factors and Multiples 4. (a) 26 (b) 99 (c) 16 (d) 30
5. 1, 2, 4, 5, 8, 10, 25, 40, 125 6. 6
Let’s Recall 7. 4 pairs (13 and 31; 17 and 71; 37 and 73; 79 and 97)
2. 1 × 18 = 2 × 9 = 3 × 6 3. 1 × 20 = 2 × 10 = 4 × 5 8. 312, 402, 444 and 612
4. 1 × 24 = 2 × 12 = 3 × 8 = 4 × 6 Life Skills
Think and Answer 1. 15, 30, 45, 60, 75, 90, 105, 120, 135, 150, 165, 180, 195
Multiplication facts: 1 × 24 = 24; 2 × 12 = 24; 3 × 8 = 24; 4 × 6 = 24 2. 6, 12, 18, 24, 30 September
Factors: 1, 2, 3, 4, 6, 8, 12, 24 Mental Maths
Think and Answer 1. (a) 2. (c) 3. (c) 4. (a)
1. 90 2. 45 3. 3 4. 8 Chapter 6. Fractions
Practice Time 5A Let's Recall
1. (a) True (b) False (c) False (d) False 1. Equal parts – a, c; Unequal parts – b, d. 2. (a), (b), (d)
2. (a) 1, 2, 3, 4, 6 and 12. (b) 1, 2, 4, 7, 14 and 28. Think and Answer
(c) 1, 3, 5, 9, 15 and 45. (d) 1, 2, 4, 7, 8, 14, 28 and 56. 15
(e) 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36 and 72. 1. 10 2. 25
3. (a) 1, 2, 3, 4, 6, 8, 12 and 24. 25
(b) 1, 2, 3, 4, 6, 9, 12, 18 and 36. Think and Answer
(c) 1, 2, 3, 6, 9, 18, 27 and 54. 4
(d) 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36 and 72. 11
(e) 1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48 and 96. Practice Time 6A
4. (a) No (b) Yes (c) Yes (d) No
5. (a) 1, 2, 3 and 6 (b) 1 and 5 (c) 1 and 7 (d) 1, 2, 3 and 6 1.
(e) 1, 2, 3, 5, 6, 10, 15 and 30 (f) 1, 2, 4 and 8 (g) 1 and 2
Practice Time 5B 2. Figure Number Total Fraction Fraction for
1. (a) 5, 10, 15, 20, 25, 30 (b) 7, 14, 21, 28, 35, 42 of Shaded number for unshaded
(c) 11, 22, 33, 44, 55, 66 (d) 13, 26, 39, 52, 65, 78 parts of equal shaded parts
2. (a) 18, 36, 54, 72, 90 (b) 26, 52, 78, 104, 130 parts parts
(c) 30, 60, 90, 120, 150 (d) 50, 100, 150, 200, 250 (a) 3 8 3 5
3. (a) 40 (b) 72 8 8
(c) 12, 24, 36, 48, 60, 72, 84, 96, 108, 120, 132
(d) 21, 24, 27, 30, 33, 36, 39, 42, 45, 48
(e) 54, 63, 72, 81, 90, 99 (f) 72 (b) 3 5 3 2
4. (a) 20 , 40, 60 and 80 (b) 15 , 30, 45 and 60 5 5
(c) 14 , 28, 42 and 56 (d) 24 , 48, 72 and 96 (c) 4 8 4 4
8 8
(e) 20 , 40, 60 and 80
Practice Time 5C 3. (a) 2 (b) 3 (c) 4 (d) 5
1. (a) True (b) False (c) True (d) True 4. 2 5 4 3
2. Divisible by (a) 10 (b) 8 (c) 5 (d) 7
Numbers 2 3 4 5 9 10 5. 1
(a) 62 yes no no no no no 6
(b) 96 yes yes yes no no no 6. (a) 4 = 1 (b) 3 (c) 8 (d) 10
(c) 284 yes no yes no no no 8 2 14 12 17
(d) 251 no no no no no no Quick Check
(e) 1024 yes no yes no no no 2 2 6
(f) 6318 yes yes no no yes no 1. 4 2. 5 3. 9
Think and Answer Think and Answer
1. 2, 3, 5, 7, 11, 13, 17, 19, and 23. 2 parts, 8 parts or a whole
2. 4, 6, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 22, 24, 25, 26, 27 and 28. 8

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