This 12-page resource supports a 'Concrete - pictorial - abstract' approach to teaching the concept of finding and making number bonds to aid addition and subtraction. It also includes answers.
(UK: Links to WRM Spring block 1 - addition and subtraction within 20
National Curriculum links: Represent and use number bonds and related subtraction facts within 20
-Read, write and interpret mathematical statements involving addition (+), subtraction (-) and equals (=) signs.
-Add and subtract one-digit and two-digit numbers to 20, including zero.
-Solve one-step problems that involve addition and subtraction, using concrete objects and pictorial representations, and missing number problems such as 7= ꙱–9)
I hope you find this resource useful!