Fill in the blanks in the equations by using the number lines as a guide.
Solve the problems using the number lines.
Solve the problems using the number lines.
Fill in the missing numbers on each of the number lines.
Solve the problems using the number lines.
Use the number lines to solve the subtraction problems.
Fill in the blanks in the equations by using the number lines as a guide.
Fill in the missing numbers on each of the number lines.
Use the number lines to solve the addition problems.
Solve the problems using the number lines.