Addition sums up to 100

The 5-step plan

Practice addition up to 100 using the five steps. You can earn medals for the first four steps, and you get a diploma if you complete the final step correctly. For addition sums up to 100, none of the answers will be higher than 100.

The first step consists of ten sums. There is no time limit.

Step 1

Step 2


Step 3

Step 4

Try to answer all the 15 questions right!

Step 5

Answer all the 20 questions right to get the diploma!

Addition up to 100 diploma

Description Addition up to 100

Learn addition up to 100 here by doing exercises. The five-step plan starts with giving you time to practice and then to earn a diploma. Earning the diploma is very helpful, as addition is an important part of elementary school arithmetic.

Example sums are:

  • 44 + 16 = 60
  • 22 + 51 = 73

Once you have earned the diploma and can do the sums well, you can continue on to subtraction or other exercises on the website