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2nd Grade Math

58 topics across 9 strands, worth 469 XP in total.

Addition and Subtraction Fluency (5 topics)

  1. Addition and Subtraction Facts Within 20

    Locked7 XP

    Builds on: addition-facts-within-20 (not yet), subtraction-facts-within-20 (not yet)

    2.OA.B.2

  2. Odd and Even Numbers

    Locked7 XP

    Builds on: Addition and Subtraction Facts Within 20 (not yet)

    2.OA.C.3

  3. One-Step Word Problems Within 100

    Locked8 XP

    Builds on: Addition and Subtraction Facts Within 20 (not yet)

    2.OA.A.1

  4. Pairing Objects to Test Even

    Locked7 XP

    Builds on: Odd and Even Numbers (not yet)

    2.OA.C.3

  5. Two-Step Word Problems Within 100

    Locked10 XP

    Builds on: One-Step Word Problems Within 100 (not yet), Adding Within 100 (not yet)

    2.OA.A.1

Place Value to 1000 (9 topics)

  1. Tens and Ones

    Locked6 XP

    Builds on: two-digit-place-value (not yet), compare-two-digit-numbers (not yet)

    2.NBT.A.1

  2. A Hundred as Ten Tens

    Locked7 XP

    Builds on: Tens and Ones (not yet)

    2.NBT.A.1a

  3. Hundreds, Tens and Ones

    Locked8 XP

    Builds on: A Hundred as Ten Tens (not yet)

    2.NBT.A.1

  4. Counting Within 1000

    Locked7 XP

    Builds on: Hundreds, Tens and Ones (not yet)

    2.NBT.A.2

  5. Reading and Writing Numbers to 1000

    Locked7 XP

    Builds on: Hundreds, Tens and Ones (not yet)

    2.NBT.A.3

  6. Comparing Three-Digit Numbers

    Locked8 XP

    Builds on: Hundreds, Tens and Ones (not yet)

    2.NBT.A.4

  7. Skip Counting by 5s, 10s and 100s

    Locked8 XP

    Builds on: Counting Within 1000 (not yet)

    2.NBT.A.2

  8. Expanded Form

    Locked8 XP

    Builds on: Reading and Writing Numbers to 1000 (not yet), Addition and Subtraction Facts Within 20 (not yet)

    2.NBT.A.3

  9. Number Names in Words

    Locked7 XP

    Builds on: Reading and Writing Numbers to 1000 (not yet)

    2.NBT.A.3

Two-Digit Addition and Subtraction (12 topics)

  1. Adding Multiples of Ten

    Locked7 XP

    Builds on: Tens and Ones (not yet), Addition and Subtraction Facts Within 20 (not yet)

    2.NBT.B.5

  2. Subtracting Multiples of Ten

    Locked7 XP

    Builds on: Adding Multiples of Ten (not yet)

    2.NBT.B.5

  3. Adding Two-Digit Numbers Without Regrouping

    Locked8 XP

    Builds on: Adding Multiples of Ten (not yet), Addition and Subtraction Facts Within 20 (not yet)

    2.NBT.B.5

  4. Ten More, Ten Less, Mentally

    Locked8 XP

    Builds on: Adding Multiples of Ten (not yet)

    2.NBT.B.8

  5. Subtracting Two-Digit Numbers Without Regrouping

    Locked8 XP

    Builds on: Subtracting Multiples of Ten (not yet), Addition and Subtraction Facts Within 20 (not yet)

    2.NBT.B.5

  6. Adding Two-Digit Numbers With Regrouping

    Locked9 XP

    Builds on: Adding Two-Digit Numbers Without Regrouping (not yet)

    2.NBT.B.5

  7. A Hundred More and a Hundred Less

    Locked8 XP

    Builds on: Ten More, Ten Less, Mentally (not yet), Hundreds, Tens and Ones (not yet)

    2.NBT.B.8

  8. Subtracting Two-Digit Numbers With Regrouping

    Locked10 XP

    Builds on: Subtracting Two-Digit Numbers Without Regrouping (not yet)

    2.NBT.B.5

  9. Adding Within 100

    Locked9 XP

    Builds on: Adding Two-Digit Numbers With Regrouping (not yet)

    2.NBT.B.5

  10. Explaining Why an Addition Strategy Works

    Locked9 XP

    Builds on: Adding Two-Digit Numbers With Regrouping (not yet)

    2.NBT.B.9

  11. Subtracting Within 100

    Locked9 XP

    Builds on: Subtracting Two-Digit Numbers With Regrouping (not yet)

    2.NBT.B.5

  12. Adding Up to Four Two-Digit Numbers

    Locked10 XP

    Builds on: Adding Within 100 (not yet)

    2.NBT.B.6

Three-Digit Addition and Subtraction (4 topics)

  1. Adding Three-Digit Numbers Without Regrouping

    Locked9 XP

    Builds on: Hundreds, Tens and Ones (not yet), Adding Within 100 (not yet)

    2.NBT.B.7

  2. Subtracting Three-Digit Numbers Without Regrouping

    Locked9 XP

    Builds on: Hundreds, Tens and Ones (not yet), Subtracting Within 100 (not yet)

    2.NBT.B.7

  3. Adding Three-Digit Numbers With Regrouping

    Locked10 XP

    Builds on: Adding Three-Digit Numbers Without Regrouping (not yet)

    2.NBT.B.7

  4. Subtracting Three-Digit Numbers With Regrouping

    Locked11 XP

    Builds on: Subtracting Three-Digit Numbers Without Regrouping (not yet)

    2.NBT.B.7

Measurement (7 topics)

  1. Measuring Length With a Ruler

    Locked7 XP

    Builds on: measure-with-nonstandard-units (not yet)

    2.MD.A.1

  2. Inches and Feet

    Locked7 XP

    Builds on: Measuring Length With a Ruler (not yet)

    2.MD.A.2

  3. Centimeters and Meters

    Locked7 XP

    Builds on: Measuring Length With a Ruler (not yet)

    2.MD.A.2

  4. Estimating Lengths

    Locked7 XP

    Builds on: Inches and Feet (not yet), Centimeters and Meters (not yet)

    2.MD.A.3

  5. Adding and Subtracting on a Number Line

    Locked8 XP

    Builds on: Adding Within 100 (not yet)

    2.MD.B.6

  6. How Much Longer?

    Locked8 XP

    Builds on: Estimating Lengths (not yet), Subtracting Within 100 (not yet)

    2.MD.A.4

  7. Length Word Problems

    Locked9 XP

    Builds on: How Much Longer? (not yet), One-Step Word Problems Within 100 (not yet)

    2.MD.B.5

Time and Money (7 topics)

  1. Telling Time to Five Minutes

    Locked8 XP

    Builds on: tell-time-to-the-half-hour (not yet), skip-count-by-5 (not yet)

    2.MD.C.7

  2. Identifying Coins and Their Values

    Locked7 XP

    Builds on: skip-count-by-5 (not yet), skip-count-by-10 (not yet)

    2.MD.C.8

  3. A.M. and P.M.

    Locked7 XP

    Builds on: Telling Time to Five Minutes (not yet)

    2.MD.C.7

  4. Counting Groups of the Same Coin

    Locked8 XP

    Builds on: Identifying Coins and Their Values (not yet), Skip Counting by 5s, 10s and 100s (not yet)

    2.MD.C.8

  5. Counting Mixed Coins

    Locked9 XP

    Builds on: Counting Groups of the Same Coin (not yet)

    2.MD.C.8

  6. Dollars and Cents Notation

    Locked8 XP

    Builds on: Counting Mixed Coins (not yet)

    2.MD.C.8

  7. Money Word Problems

    Locked9 XP

    Builds on: Dollars and Cents Notation (not yet), One-Step Word Problems Within 100 (not yet)

    2.MD.C.8

Data (4 topics)

  1. Picture Graphs

    Locked7 XP

    Builds on: read-picture-graphs (not yet)

    2.MD.D.10

  2. Line Plots of Measurements

    Locked8 XP

    Builds on: Measuring Length With a Ruler (not yet)

    2.MD.D.9

  3. Bar Graphs With Scales

    Locked8 XP

    Builds on: Picture Graphs (not yet)

    2.MD.D.10

  4. Comparing Data on Graphs

    Locked9 XP

    Builds on: Bar Graphs With Scales (not yet), One-Step Word Problems Within 100 (not yet)

    2.MD.D.10

Foundations of Multiplication (3 topics)

  1. Equal Groups

    Locked8 XP

    Builds on: Pairing Objects to Test Even (not yet)

    2.OA.C.4

  2. Rows and Columns in Arrays

    Locked8 XP

    Builds on: Equal Groups (not yet)

    2.OA.C.4

  3. Repeated Addition for Arrays

    Locked9 XP

    Builds on: Rows and Columns in Arrays (not yet)

    2.OA.C.4

Geometry and Fractions (7 topics)

  1. Recognising Shapes by Their Attributes

    Locked7 XP

    Builds on: defining-attributes-of-shapes (not yet)

    2.G.A.1

  2. Halves, Thirds and Fourths

    Locked8 XP

    Builds on: describe-halves-and-fourths (not yet)

    2.G.A.3

  3. Counting Sides and Angles

    Locked7 XP

    Builds on: Recognising Shapes by Their Attributes (not yet)

    2.G.A.1

  4. Equal Shares Can Look Different

    Locked9 XP

    Builds on: Halves, Thirds and Fourths (not yet)

    2.G.A.3

  5. Drawing Shapes With Given Attributes

    Locked8 XP

    Builds on: Counting Sides and Angles (not yet)

    2.G.A.1

  6. Two Halves, Three Thirds, Four Fourths Make a Whole

    Locked9 XP

    Builds on: Equal Shares Can Look Different (not yet)

    2.G.A.3

  7. Partitioning Rectangles Into Squares

    Locked9 XP

    Builds on: Rows and Columns in Arrays (not yet), Recognising Shapes by Their Attributes (not yet)

    2.G.A.2