Question: 1
We can also make patterns with numbers and letters. Below are a few examples. Can you take them forward?

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Practice each question, then open the answer or worked solution.
Question: 1
We can also make patterns with numbers and letters. Below are a few examples. Can you take them forward?


Question: 2
Now write your own number patterns.


Question: 3
Make a pattern without numbers.

Answer: A pattern without numbers is given below:

NCERT Book Page No: 110
No Number Comes Twice
Look at the number box. Can you see a pattern?

Question: 4
Now, you try writing the letters – A, B, and C in the box so that no letter comes twice in any line.


NCERT Book Page No: 111
Magic Patterns
Question: 5
Now you fill these stars. Use numbers 1 – 9 and the rule that the numbers on each line add up to 15.

Answer: In the figure given below, the numbers are filled in the stars from 1 to 9, which adds up to 15 in each line.

Magic Triangles
Look at this number pattern.
Rule: Numbers on each side of the triangle add up to 9.


Question: 6
See if the other sides of the triangle also add up to 9.
Answer: Yes, the numbers on the other sides of the triangle add up to 9.
3 + 5 + 1 = 9, and 2 + 6 + 1 = 9.
NCERT Book Page No: 112
Question: 7
Now, use numbers 1 – 6 to make your own magic triangle.
Rule: Numbers on each side must add up to 10

Answer: The numbers from 1 to 6 are arranged in the figure below, which add up to 10 in each line.

NCERT Book Page No: 113
Number Towers
Question: 8
Using the same rule, completer these number towers.


The Same Sum Rule
Some friends are playing with number cards. See how they add.

Question: 9
Now you write any number and the three numbers after that. Make a pattern using the rule.

See if you get the same sum.

Answer: The numbers using the same pattern are given below:

NCERT Book Page No: 114
Patterns with Addition

Question: 10
Now, you try to make such a pattern with 5 numbers in order.

