Price: 250 points or $2.5 USD
Subjects: math,mathElementary,countingAndCardinality,additionAndSubtraction,counting,operationsAndAlgebraicThinking
Grades: 13,1,2
Description: Students utilize the number line to add two numbers within 20. Students practice by writing the numbers under the numberline starting with the first addend. Then they drag the one hops according to the second addend to land on the second number.