Singapore Math Level 3A & 3B – Unit 6: Multiplying Numbers - 23 Questions
Unit 6: MULTIPLYING NUMBERS
Q(1-10): Solve the following multiplication problems. Show your work of Multiplying Numbers and go ahead.
× 3
---------
2. 112
× 4
---------
3. 33
× 2
---------
4. 210
× 2
---------
5. 302
× 3
---------
6. 442
× 2
---------
7. 212
× 4
---------
8. 31
× 3
---------
9. 100
× 3
---------
Solution(1-10):
× 3
---------
36
2. 112
× 4
---------
448
3. 33
× 2
---------
66
4. 210
× 2
---------
420
5. 302
× 3
---------
906
6. 442
× 2
---------
884
7. 212
× 4
---------
848
8. 31
× 3
---------
93
9. 100
× 3
---------
300
10. 121
× 4
---------
484
Q(11-16): Match each door to the correct house. [Each door represents Multiplying Numbers and house represents the results.]
Solution(11-16):
We solved all the multiplications mentioned on each door and matched the doors as per the results of multiplication and each room by adding them line by line. This is shown below:
Q(17): Fill in each box with the correct answer.
(a) | (f) | (b) | ||||||
(g) | (c) | |||||||
(h) | ||||||||
(d) | ||||||||
(i) | (j) | (e) | ||||||
Across Down
(a) 112×8 (f) 91×7
(b) 79×9 (g) 102×6
(c) 62×9 (h) 46×8
(d) 214×4 (i) 98×9
(e) 118×7 (j) 80×8
Solution(17):
× 8
----------
8 9 6
(b) 87 9
× 9
---------
7 1 1
(c) 16 2
× 5
-------------
3 1 0
(d) 211 4
× 4
---------------
8 5 6
(e) 1151 8
× 7
---------
8 2 6
(f) 91
× 7
--------
637
(g) 110 2
× 2
---------------
6 1 2
(h) 44 5
× 8
---------
3 6 8
(i) 79 8
× 9
-----------
8 8 2
(j) 80
× 8
------------
640
On basis of across and down instruction, multiplying numbers results are arranged as follows:
(a) 8 | 9 | (f) 6 | (b) 7 | 1 | 1 | |||
(g) 6 | (c) 3 | |||||||
1 | 7 | 1 | 0 | (h) 3 | ||||
2 | (d) 8 | 5 | 6 | |||||
(i) 8 | (j) 6 | (e) 8 | 2 | 6 | ||||
8 | 4 | |||||||
8 | 0 |
Q(18): Sandra is at the circus with her family. Find out who her favorite performer is.
H=537×6 O=416×5 W=133×7 B=600×2 E=204×5
L=743×4 T=391×8 N=169×9 C=824×3
1200 2080 1200 2080 3128 3222 1020
24722 2972 2080 931 1521
Solution(18):
H = 25437×6 = 3222
O = 4316×5 = 2080
W = 21233×7 = 931
B = 600×2 = 1200
E = 2204×5 = 1020
L = 17143×4 = 2972
T = 7391×8 = 3128
N = 61869×9 = 1521
C = 8124×3 = 2472
B 1200 | O 2080 | B 1200 | O 2080 | |
T 3128 | H 3222 | E 1020 | ||
C 2472 | L 2972 | O 2080 | W 931 | N 1521 |
Answer: BOBO THE CLOWN
Q( 19-23): Solve the following word problems. Show your work in the space below.
19. Brittany bought 6 packets of biscuits. There were 15 biscuits in each packet. How many biscuits were there altogether?
Solution(19):
× 6
--------
90
6 × 15 = 90
There were 90 biscuits altogether.
20. 230 students went to a concert on Sunday. If the daily number of students who went to the concert over the next 2 days was the same, what was the total number of students who went to the concert?
Solution(20):
× 3
-------------
690
230 × 3 = 690
The total number of students who went to the concert was 690.
21. Demetrius bought 3 iPad sets at a mobile shop. Each iPad set cost $637. How much did he spend at the mobile shop?
Solution(21):
× 3
----------
1911
$637 × 3 = $1911
He spent $1911 at the mobile shop.
22. Sam bought 5 bottles of hand sanitizer at a supermarket. Each bottle contained 750 mL of hand sanitizer. Find the total volume of hand sanitizer that Sam bought.
Solution(22):
× 5
--------
3750
750 × 5 = 3750
The total volume of hand sanitizer that Sam bought was 3750 mL.
23. There were 153 people in a zoo. Each person bought a $4 entry ticket. How much was the total value of all the entry tickets?
Solution(23):
× 4
--------
612
153 × $4 = $612
The total value of all the entry tickets was $612.
Also: