Open Number Line: Subtracting Ones Deck 1

by Kiki's Kubby

Price: 200 points or $2 USD

Subjects: math

Grades: 1,2,3

Description: Students will subtract using an open number line. This deck only requires students to subtract ones from a two digit number. CCSS.MATH.CONTENT.2.NBT.B.5 Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction. CCSS.MATH.CONTENT.2.NBT.B.9 Explain why addition and subtraction strategies work, using place value and the properties of operations.