Subtraction within 20 with Number Lines | Subtract Using Number Lines | Subtraction | Subtract

by My Little Penguins

Price: 225 points or $2.25 USD

Subjects: math

Grades: 13,1,2

Description: Subtract within 20 Using Number Lines These 35 boom cards in random order will allow students to practice subtraction within 20 on a number line. Students will subtract by dragging and dropping the dot as they add on the number line. Students will then type the answer and then click submit. Check out the preview for a sample of the deck and my store for many more decks! Standards Covered: CCSS.MATH.CONTENT.1.OA.A.1 Use addition and subtraction within 20 to solve word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using objects, drawings, and equations with a symbol for the unknown number to represent the problem.