CBSE & NCERT Maths Worksheet for class 1 Free Worksheet for class 1 Maths 3. What comes between : a. 55 ______ 57 b. 90 ______92 c. 70 ______72 d. 99 ______ 101 4. Addition a. 55 + 57 = b. 35 + 17 = c. 22 + 10 = d. 63 + 23 = 5. Near a lake, there were 42 cranes and 27 swans. What is the total number of swans and cranes? 6. Subtraction a. 53 - 27 = b. 32 - 12 = c. 45 - 40 = d. 93 - 73 =