Worksheet: Using Number Facts to Add

In this worksheet, we will practice using addition facts with sums to 20 to solve related problems with sums to 100.


Describe the rule for this number pattern 7,22,37,52,67,.

  • Aadding 16
  • Badding 15
  • Cadding 14


Here is a strategy to subtract.

Use this strategy to find the missing number.

Which of these is a related subtraction equation?

  • A
  • B
  • C


14+32=46. Find 14+33.


If 35 is 10 less than 45 and 45+13=58, find 35+13.


Use 7+2 to solve 17+2.

Nagwa uses cookies to ensure you get the best experience on our website. Learn more about our Privacy Policy.