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
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
Previous Topic
Next Topic
2.OA.B.2 – Subtract within 20
2nd Grade Math
2nd Grade: Operations & Algebraic Thinking (2.OA)
2.OA.B.2 – Subtract within 20
Subtract within 20
Want Full Access? Join The Many Satisfied MathTA Users!
SIGN UP TODAY
OR
LOGIN
2.OA.B.2
Fluently add and subtract within 20 using mental strategies. By end of Grade 2, know from memory all sums of two one-digit numbers.
Subtracting by 1
Practice Subtracting by 1
START
Subtracting by 2
Practice Subtracting by 2
START
Subtracting by 3
Practice Subtracting by 3
START
Subtracting by 4
Practice Subtracting by 4
START
Subtracting by 5
Practice Subtracting by 5
START
Subtracting by 6
Practice Subtracting by 6
START
Subtracting by 7
Practice Subtracting by 7
START
Subtracting by 8
Practice Subtracting by 8
START
Subtracting by 9
Practice Subtracting by 9
START
Math Fundamentals Menu
See All Math Fundamental Skills
ENTER NOW
Previous Topic
Back to Lesson
Next Topic