4th Grade Mental Math Worksheets and Activities | Page 2

Worksheet instructions: Solve each problem by adding two 2-digit numbers (no carrying or regrouping). Try to figure out the answers mentally without writing down the steps.Solve each problem by adding two 2-digit numbers (no carrying or regrouping). Try to figure out the answers mentally without writing down the steps.

Worksheet instructions: Solve each problem by adding two 2-digit numbers (no carrying or regrouping). Try to figure out the answers mentally without writing down the steps.Solve each problem by adding two 2-digit numbers (no carrying or regrouping). Try to figure out the answers mentally without writing down the steps.

Worksheet instructions: Solve each problem by adding two 2-digit numbers (no carrying or regrouping). Try to figure out the answers mentally without writing down the steps.Solve each problem by adding two 2-digit numbers (no carrying or regrouping). Try to figure out the answers mentally without writing down the steps.

Worksheet instructions: Solve each problem by adding two 2-digit numbers (no carrying or regrouping). Try to figure out the answers mentally without writing down the steps.Solve each problem by adding two 2-digit numbers (no carrying or regrouping). Try to figure out the answers mentally without writing down the steps.