Gain expertise with addition sentences within 20 in this helpful math worksheet!

Reverse engineer subtraction sentences from hundred charts in this engaging math worksheet!

Search for the solutions to subtraction sentences in this safari-themed worksheet for second graders!

Explore finding missing starting numbers in addition equations with this engaging hundred-chart worksheet!

Crack the code of the missing starting number with this investigative subtraction worksheet!

Let’s see how well you know your addition facts!