Addition and Subtraction Up to 20 - 2 Class 1 Worksheet Maths

Instructions:

• Solve the following addition and subtraction problems up to 20.
• For statement questions, read the situation carefully and answer accordingly.
• Show your work when necessary.

Q1: Addition:

(i) 8 + 4 = ________
(ii) 12 + 5 = ________
(iii) 6 + 9 = ________
(iv) 7 + 8 = ________
(v) 10 + 11 = ________
Ans:
(i) 8 + 4 = 12
(ii) 12 + 5 = 17
(iii) 6 + 9 = 15
(iv) 7 + 8 = 15
(v) 10 + 11 = 21

Q2: Subtraction:

(i) 15 - 6 = ________
(ii) 19 - 4 = ________
(iii) 13 - 7 = ________
(iv) 20 - 9 = ________
(v) 18 - 12 = ________
Ans:
(i) 15 - 6 = 9
(ii) 19 - 4 = 15
(iii) 13 - 7 = 6
(iv) 20 - 9 = 11
(v) 18 - 12 = 6

Q3: Statement Questions with Situations:

(i) Sarah has 15 candies, and she gives 7 to her friend. How many candies does Sarah have left? ________
Ans: Sarah has 8 candies left.

(ii) There are 10 red balloons, and 3 of them pop. How many red balloons are still left? ________
Ans: There are 7 red balloons still left.

(iii) Tim has 14 marbles, and he buys 6 more at the store. How many marbles does Tim have now? _______
Ans: Tim has 20 marbles now.

(iv) There are 16 apples in a basket, and 5 apples are taken out. How many apples are left in the basket?_____
Ans: There are 11 apples left in the basket.

(v) Emma has 20 stickers, and she gives 9 stickers to her brother. How many stickers does Emma have now? ________
Ans: Emma has 11 stickers left.