2-Digit Addition & Subtraction Within 100 | 2nd Grade Math

by T is for Teaching

Price: 650 points or $6.5 USD

Subjects: math,mathElementary,operationsAndAlgebraicThinking,additionAndSubtraction

Grades: 2

Description: Build 2-digit addition and subtraction fluency within 100 with this 3-deck Boom Cards bundle! Students practice addition and subtraction using place value strategies, models, missing numbers, related equations, and mixed problem solving. This bundle includes 90 self-checking cards featuring base-ten blocks, make-a-ten/friendly-ten strategies, expanded form, open number lines, drag-and-drop activities, error analysis, and independent practice. This bundle includes: 2-Digit Addition Within 100: Place Value Strategies — 30 cards * Base-ten blocks * Make-a-ten strategy * Expanded form * Open number lines * Strategy reasoning and error analysis * Independent addition practice 2-Digit Subtraction Within 100: Place Value Strategies — 30 cards * Base-ten blocks * Friendly-ten strategy * Expanded form * Open number lines * Strategy reasoning and error analysis * Independent subtraction practice Addition & Subtraction Within 100: Fluency & Mixed Practice — 30 cards * Mixed addition and subtraction * Drag-and-drop equation matching * Choosing the correct operation * Missing-number equations * Related addition and subtraction equations * Fact families * Equivalent equations * True/false reasoning * Error analysis * Independent mixed fluency Designed for 2nd grade and aligned primarily to CCSS 2.NBT.B.5.