Price: 200 points or $2 USD

Subjects: math

Grades: 1,2,3

Description: Students will add using an open number line. This deck only requires students to add tens to tens. This deck is part of a series. Search Kiki's Kubby for the following: Open Number Line: Adding Tens (Deck 1) Adding 10s to 10s Only Open Number Line: Adding Tens (Deck 2) 10 Cards Open Number Line: Adding Tens (Deck 3) 20 Cards Open Number Line: Adding Tens and Ones (Deck 4) 10 Cards Open Number Line: Adding Tens and Ones (Deck 5) 20 Cards Or BUNDLE and Save! Open Number Line Addition BUNDLE 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.