NCERT Solutions for Class 1 Mathematics Chapter 6 - Addition and Subtraction up to 20

Addition

Question 1:

Do the sum:

Answer:

Question 2:

Colour the beads as per the number given below and add.

Answer:

Question 3:

Hop and find the sum.

Answer:

Question 4:

Answer:

Question 5:

Add mentally and fill in the boxes.

Answer:

Subtraction

Question 6:

Subtract:

Answer:

Question 7:

Subtract smaller number from the bigger number.

Answer:

Question 8:

Solve the following subtraction story problems.

  1. Somu had 18 apples. He ate 5 apples. How many apples are left with him?
  2. Ammu had 20 bangles. Her sister took 11 of them. How many bangles does Ammu left with?
  3. There are 15 lessons in a textbook. The teacher completed 9 of them. How many lessons are remaining?
  4. In a nursery school, there are 20 students. 13 of them are boys. How many girls are there in the class?
  5. What number should be added to 8 to get 17?
  6. There are 19 oranges in a basket. Reema took out 12 of them. How many oranges are left in the basket now?

Answer:

Question 9:

Subtract mentally and fill in the boxes:

Answer:

Question 10:

Add, subtract and match.

Answer: