Sums up to 20

These are our Sums up to 20 number bond worksheets. Click on the previews to go to download page.

Adding 5

(level 1)

Adding 6 or 7

(level 1)

Adding 8 or 9

(level 1)

Making 10,15 or 20

(level 1)

Empty Bonds

(level 1)

Sums up to 10

Sums up to 20 (1 digit)

Sums up to 20

Sums up to 20 (3 Addends)

Sums up to 100

Number bond worksheets are great for students to master the addition and subraction bonds. Being able to recognize the number bonds is vital in the math develpment of students. The shorter kids need to calculate a basic math fact, the more they can focus on the required method or concept. Students who are slow in recognizing and using basic math facts will, most likely, struggle with math in higher grade years.

On this page you can find our number bond worksheet sorted by sums up to 10 worksheets for the beginners, sums up to 20 with 2 single digit addends, sums up to 20 with at least 1 addend being a 2 digit number, worksheets with number bonds up to 100, and some worksheets with 3 addends and a sum of up to 20.

Our new materials? Follow Us.