Tamilnadu Samacheer Kalvi 4th Maths Solutions
Term 1
Chapter 3
Patterns InText Questions
Activity (Text Book Page No. 40)
Activity (Text Book Page No. 41)
Identify the patterns in multiplication and division (multiples of 6).
Multiply by 5
Activity (Text Book Page No. 42)
Make patterns based on the multiples of 9
Activity (Text Book Page No. 44)
Activity (Text Book Page No. 46)
Question 1.
× 200
3 → _____
2 → _____
4 → _____
5 → _____
Question 2.
× 3
60 →
_____
200 →
_____
30 →
_____
500 → _____
Answer:
60 → 180
200 → 600
30 → 90
500 →
1500
Question 3.
× 10
7 → _____
60 →
_____
6 → _____
100 → _____
Answer:
7 → 70
60 → 600
6 → 60
100 →
1000
Question 4.
× 9
20 →
_____
400 →
_____
30 →
_____
500 → _____
Answer:
20 → 180
400 →
3600
30 → 270
500 →
4500
Activity 2 (Text Book Page No. 47)
Complete
the following.
a. 54 ÷ 9
= 6
b. 540 ÷
9 = 60
c. 5400 +
9 = ______
d. ______
÷ 9 = 6000
Answer:
c. 5400 +
9 = ______
5400 + 9
= 600
Try This (Text Book Page No. 48)
Create magic squares by using,
1. Multiples of nine
2. Multiples of hundred
Answer:
1. Multiples of nine
Create a magic square by using multiples of 10, 20, 30, 40, 50, 60, 70, 80 and 90.
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