2nd Grade Math

2nd Grade: Operations & Algebraic Thinking (2.OA)
5 Topics
2.OA.A.1 – Solve Addition/Subtraction Word Problems within 100
2.OA.B.2 – Add within 20
2.OA.B.2 – Subtract within 20
2.OA.C.3 – Understanding Odd and Even Numbers
2.OA.C.4 – Addition with Rectangular Arrays
2nd Grade: Number and Operations in Base Ten (2.NBT)
25 Topics
2.NBT.A.1 – Add Hundreds by One-Digit
2.NBT.A.1a – Understand one hundred as a bundle of ten tens
2.NBT.A.1b – Identify number of tens in two or three digit number
2.NBT.A.1b – Place value table within 1000
2.NBT.A.1b – Identify value of digit for 3 digit number
2.NBT.A.1b – Regrouping hundreds, tens, & ones
2.NBT.A.1b – Place value blocks within 1000
2.NBT.A.2 – Skip Counting by 5, 10, and 100
2.NBT.A.3 – Standard to Expanded form within 1000
2.NBT.A.3 – Word to Standard form within 1000
2.NBT.A.3 – Word to Expanded form within 1000
2.NBT.A.4 – Compare Three-Digit Numbers
2.NBT.B.5 – Add Two-Digit number by One-Digit
2.NBT.B.5 – Subtract Two-Digit number by One-Digit
2.NBT.B.5 – Add Two-Digit number by Two-Digits
2.NBT.B.5 – Subtract Two-Digit number by Two-Digits
2.NBT.B.6 – Add up to four Two-Digit numbers
2.NBT.B.7 – Add Three-Digit number by One-Digit
2.NBT.B.7 – Add Three-Digit number by Two-Digits
2.NBT.B.7 – Add Three-Digit number by Three-Digits
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2nd Grade: Measurement and Data (2.MD)
11 Topics
2.MD.A.1 – Measure length by appropriate tools
2.MD.A.2 – Describe how two measurements relate
2.MD.A.3 – Estimate lengths of objects
2.MD.A.4 – Measure and express length difference of objects
2.MD.B.5 – Solve Addition/Subtraction Measurement Word Problems
2.MD.B.6 – Represent Numbers on Number Line 1 to 100
2.MD.C.7 – Tell Time to Nearest 5-Minute
2.MD.C.8 – Solve Arithmetic Money World Problems
2.MD.D.9 – Use Line Plots to measure objects
2.MD.D.10 – Draw/Interpret Picture Graphs
2.MD.D.10 – Draw/Interpret Bar Graphs
2nd Grade: Geometry (2.G)
3 Topics
2.G.A.1 – Recognize shapes with different attributes
2.G.A.2 – Partition rectangles into rows and columns
2.G.A.3 – Partition circles / rectangles into 2 to 4 equal shares
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2.NBT.B.7 – Add Three-Digit number by Two-Digits

2nd Grade Math 2nd Grade: Number and Operations in Base Ten (2.NBT) 2.NBT.B.7 – Add Three-Digit number by Two-Digits

Add Three-Digit number by Two-Digits


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2.NBT.B.7

Add and subtract within 1000, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method. Understand that in adding or subtracting three-digit numbers, one adds or subtracts hundreds and hundreds, tens and tens, ones and ones; and sometimes it is necessary to compose or decompose tens or hundreds.

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