Adding Within 20 Using a Number Line

by AmazingA's

Price: 250 points or $2.5 USD

Subjects: math

Grades: 13,1,2,3

Description: This addition strategy provide math fluency by adding within 20. Using the number line to count on. students write the first number on the number line then count on the other addend by filling in the boxes above the number line. Next they click on the answer and write it in the equation.