Singapore Math Level 2A & 2B - Unit 5: Multiplying And Dividing Numbers By 2 And 3 - 40 Questions
Unit 5: MULTIPLYING AND DIVIDING NUMBERS BY 2 AND 3
1. Fill in each blank by counting in twos.
② ④ ◯ ◯ ⑩ ◯
Answer(1):
⑥ ⑧ ⑫
2. Fill in each blank by counting in threes.
③ ⑥ ◯ ◯ ⑮ ◯ ㉑
Answer(2):
⑨ ⑫ ⑱
Fill in each blank with the correct answer.
3. 4×2=…….
4. 6×2=……
5. 5×3=……
6. 8×2=……
7. 9×3=……
8. 3×3=……
9. 7×3=……
10. 9 × 2=……
11. 6 × 3=……
12. 5 × 2=……
Solution(3-12):
3. 8
4. 12
5. 15
6. 16
7. 27
8. 9
9. 21
10. 18
11. 18
12. 10
Fill in each blank with the correct answer.
13. _____× 2 = 20
14. _____× 3 = 15
15. 2 ×=_____ 12
16. 3 ×_____=9
17. 3 ×_____= 18
18. 3 ×______= 27
19. 2 ×_____= 10
20. _____× 3 = 12
21. _____× 2 = 16
22. _____× 2 = 18
Solution(13-22):
13. 10
14. 5
15. 6
16. 3
17. 6
18. 9
19. 5
20. 4
21. 8
22. 9
Fill in each blank with the correct answer.
23. 30 ÷ 3 =_____
24. 21 ÷ 3 =_____
25. 16 ÷ 2 =_____
26. 18 ÷ 3 =_____
27. 14 ÷ 2 =_____
28. 8 ÷ 2 =_____
29. 12 ÷ 2 =_____
30. 15 ÷ 3 =_____
31. 10 ÷ 2 =_____
32. 24 ÷ 3 =_____
Solution(23-32):
23. 10
24. 7
25. 8
26. 6
27. 7
28. 4
29. 6
30. 5
31. 5
32. 8
33. Match each car to the correct owner.
Solution(33):
Solve the following story problems. Show your work in the space below.
34. Taylor bought 4 boxes of cake. There were 3 pieces of cake in each box. How many pieces of cake were there altogether?
There were_____pieces of cake altogether.
Solution(34):
4 × 3 = 12
There were 12 pieces of cakes altogether.
35. There are 3 stars on a flag. There are 7 flags. How many stars are there altogether?
There are_____stars altogether.
Solution(35):
7 × 3 = 21
There are 21 stars altogether.
36. Each tricycle has 3 wheels. There are 15 wheels altogether. How many tricycles are there?
There are_____tricycles.
Solution(36):
15 ÷ 3 = 5
There are 5 tricycles.
37. Eliza baked 14 muffins. She gave 2 muffins to each of her friends. How many friends did she give the muffins to?
She gave the muffins to_____friends.
Solution(37):
14 ÷ 2 = 7
She gave the muffins to 7 friends.
38. Minh packs 3 tennis balls into each bag. If there are 27 tennis balls, how many bags will she need?
She will need_____bags.
Solution(38):
27 ÷ 3 = 9
She will need 9 bags.
39. The picture below shows several items sold at a drugstore.
(a) Jane buys 4 erasers. How much does she pay in all? $_____
(b) Luke has $12. How many pens can he buy? _____pens
(c) Ken buys 3 pens. How much does he pay altogether? $_____
(d) Jade has $16. How many erasers can she buy? _____erasers
(e) There are 4 students in a group. If Mrs. Moran gives 3 pencils to each student, how many pencils does she need to buy? _____pencils
Solution(39)
(a)
4 × $2 = $8
Ans: $8
(b)
$12 ÷ $3 = 4
Ans: 4 pens
(c)
3 × $3 = $9
Ans: $9
(d)
$16 ÷ $2 = 8
8 erasers
(e)
4 × 3 = 12
Ans: 12 pensils
40. Complete the crossword puzzle with the correct answers.
12 | ÷ | = | 6 | |
÷ | × | |||
÷ | = | |||
= | = | |||
× | 9 | = | 18 |
Answer:
12 | ÷ | 2 | = | 6 |
÷ | × | |||
6 | ÷ | 2 | = | 3 |
= | = | |||
2 | × | 9 | = | 18 |
Also: