Grade 2 Math | Lessons, Practice & Free Printables

MATHLATTICE • ELEMENTARY MATH

Grade 2 Math

Clear Grade 2 math lessons, worked examples, guided practice, tests, and printable resources for building strong skills in place value, addition, subtraction, measurement, time, money, data, equal groups, arrays, and geometry.

Explore the Curriculum ↓ View the 40-Lesson Map ↓ Review Grade 1

What Do Students Learn in Grade 2 Math?

Second grade expands the number system from two-digit numbers to hundreds and numbers through 1,000. Students strengthen addition and subtraction fluency, use place-value strategies with larger numbers, solve more complex word problems, and explain why their strategies work.

Students also measure with standard units, use number lines, tell time to five-minute intervals, work with U.S. money, represent and interpret data, explore even and odd numbers, build equal groups and rectangular arrays, and deepen their understanding of shapes and equal shares.

Standards note: MathLattice Grade 2 is organized around mathematics expectations that are widely shared across U.S. elementary curricula. The main sequence focuses on broadly applicable Grade 2 skills, while selected lessons at the end provide additional state-specific extensions in areas such as number range, fractions, geometry, time, measurement, and personal financial literacy.

Grade 2 Math Curriculum

🔢

LESSONS 1–6

Unit 1 — Numbers & Place Value

Build three-digit numbers with hundreds, tens, and ones; read, write, compare, expand, and decompose numbers through 1,000; and reason about number patterns.

➕

LESSONS 7–14

Unit 2 — Addition & Subtraction Within 100

Strengthen facts within 20 and use place-value strategies, composing and decomposing tens, mental math, multiple addends, and one- and two-step word problems.

🧮

LESSONS 15–19

Unit 3 — Addition & Subtraction Within 1,000

Add and subtract three-digit numbers with concrete models, drawings, expanded form, place-value reasoning, composing, decomposing, estimation, and strategy explanations.

🟦

LESSONS 20–22

Unit 4 — Equal Groups & Array Foundations

Explore even and odd numbers, equal groups, repeated addition, and rectangular arrays as foundations for later multiplication and division work.

📏

LESSONS 23–27

Unit 5 — Measurement & Number Lines

Measure and estimate length with standard units, compare measurements made with different-sized units, solve length problems, use number lines, and organize measurement data.

🕒

LESSONS 28–30

Unit 6 — Time, Money & Data

Tell time to the nearest five minutes, solve problems with dollars and coins, and create and interpret picture graphs and bar graphs.

🔷

LESSONS 31–34

Unit 7 — Geometry & Equal Shares

Recognize and draw 2D shapes and cubes from defining attributes, partition rectangles into rows and columns, and reason about halves, thirds, fourths, and equal shares.

🇺🇸

LESSONS 35–40

U.S. & State Extensions

Extend the core with selected state expectations involving numbers beyond 1,000, rounding, eighths, additional 3D solids, symmetry, area and perimeter foundations, advanced time, and financial literacy.

Grade 2 Lesson Library

The curriculum is organized into 34 core lessons followed by 6 U.S. and state extensions. Lesson links will be activated here as each complete MathLattice lesson is published.

Unit 1 — Numbers & Place Value

Build a strong understanding of hundreds, tens, ones, and three-digit number relationships.

1

Numbers to 1,000: Hundreds, Tens & Ones → Represent three-digit numbers with place-value models.

2

Compose & Decompose Three-Digit Numbers Build the same number in different hundreds-tens-ones combinations.

3

Read, Write & Expand Numbers to 1,000 Connect standard form, word form, and expanded form.

4

Compare & Order Three-Digit Numbers Compare hundreds first, then tens and ones when needed.

5

Skip Count by 2s, 5s, 10s & 100s Use repeated patterns, equal groups, and place value to count efficiently.

6

10 More, 10 Less, 100 More & 100 Less Reason mentally about changes in tens and hundreds.

Unit 2 — Addition & Subtraction Within 100

Move from fluent basic facts to flexible and explainable two-digit addition and subtraction strategies.

7

Addition & Subtraction Fluency Within 20 Use efficient strategies to recall and reason with basic facts.

8

Add Within 100 Using Place Value Add tens and ones with models, drawings, and expanded form.

9

Subtract Within 100 Using Place Value Subtract tens and ones while keeping place-value meaning visible.

10

Compose a Ten When Adding Regroup 10 ones as 1 new ten and explain why the value stays equal.

11

Decompose a Ten When Subtracting Rename 1 ten as 10 ones when more ones are needed.

12

Add Up to Four Two-Digit Numbers Choose helpful combinations and track several addends accurately.

13

Mental Addition & Subtraction Strategies Use make-a-ten, related facts, compensation, and place-value thinking.

14

One- & Two-Step Word Problems Within 100 Model and solve joining, separating, comparing, and unknown situations.

Unit 3 — Addition & Subtraction Within 1,000

Extend place-value reasoning to hundreds while keeping models and explanations central.

15

Add Within 1,000 Using Place Value Add hundreds, tens, and ones using concrete and visual models.

16

Add Within 1,000: Compose Tens & Hundreds Regroup 10 ones as a ten and 10 tens as a hundred.

17

Subtract Within 1,000 Using Place Value Use hundreds, tens, and ones to reason about differences.

18

Subtract Within 1,000: Decompose Tens & Hundreds Rename units when subtraction requires more tens or ones.

19

Explain, Estimate & Check Addition and Subtraction Strategies Compare methods, explain why they work, use estimation to judge reasonableness, and check answers.

Unit 4 — Equal Groups & Array Foundations

Develop foundations for later multiplication and division without turning Grade 2 into a multiplication-facts course.

20

Even & Odd Numbers Pair objects, identify even and odd totals, and explain patterns.

21

Equal Groups & Repeated Addition Represent several equal groups with addition equations and drawings.

22

Rectangular Arrays & Equal Addends Use rows and columns to represent equal-group situations.

Unit 5 — Measurement & Number Lines

Measure, estimate, compare, solve problems, and use the number line as a mathematical model.

23

Measure Length: Inches, Feet, Yards, Centimeters & Meters Choose and use appropriate standard measurement tools and units.

24

Estimate, Compare & Measure Lengths Estimate and compare lengths, then measure the same object with different-sized units and explain how the measurements relate.

25

Length Word Problems Solve addition and subtraction situations involving measured lengths.

26

Addition & Subtraction on a Number Line Represent whole numbers and operations as distances and jumps.

27

Measurement Data & Line Plots Collect measurement data and represent it on a whole-number line plot.

Unit 6 — Time, Money & Data

Apply number reasoning to clocks, U.S. money, picture graphs, and bar graphs.

28

Tell Time to the Nearest Five Minutes: a.m. & p.m. Read analog and digital clocks and connect times to parts of the day.

29

Money: Coins, Dollar Bills & Word Problems Find money values and solve practical addition and subtraction situations.

30

Picture Graphs & Bar Graphs Represent a data set and answer comparison and total questions.

Unit 7 — Geometry & Equal Shares

Describe shapes precisely and connect partitioning with equal-share reasoning.

31

2D Shapes, Cubes & Defining Attributes Recognize and draw shapes from specified attributes, including triangles, quadrilaterals, pentagons, hexagons, and cubes.

32

Partition Rectangles into Rows & Columns Divide rectangles into equal-sized squares and count the total.

33

Halves, Thirds & Fourths Partition shapes into two, three, and four equal shares.

34

Equal Shares: Same Whole, Different Shapes Understand that equal shares do not always have to look identical in shape.

U.S. & State Extensions

Selected topics extend the broad Grade 2 core for states that emphasize additional expectations.

35

Numbers to 1,200 & Rounding to the Nearest 10 State extension for broader number ranges and early rounding work.

36

Fraction Extensions: Eighths & Parts Beyond One Whole Extend equal-share reasoning beyond the broad Grade 2 core.

37

Additional 3D Solids, More Polygons & Lines of Symmetry Extend the core work with cubes to additional solids, polygons, and state-specific symmetry expectations.

38

Area & Perimeter Foundations Build early meaning for square units and distance around simple shapes.

39

Time Extensions: Quarter Hours & Time to the Minute Extend beyond the broad nearest-five-minutes Grade 2 expectation.

40

Personal Financial Literacy Explore saving, spending, deposits, borrowing, lending, producers, and consumers.

How to Use MathLattice Grade 2

Students can follow the lessons in order or choose individual topics for review and extra practice. Parents and homeschool families can use the sequence as a structured learning path, while teachers and tutors can select lessons to reinforce specific skills.

Each major MathLattice lesson is designed to combine clear instruction, visual reasoning, worked examples, independent practice, a lesson test, and a complete answer key.

The U.S. and state extension lessons are intentionally separated from the broad core so families can use the main Grade 2 sequence without assuming that every state emphasizes exactly the same topics.

Need to Review Grade 1 First?

Grade 2 builds directly on Grade 1 number sense, addition and subtraction within 20, place value, measurement, time, data, geometry, and equal-share reasoning.

Use the complete Grade 1 learning hub when a foundation skill needs another explanation or additional practice.

Review Grade 1 Math →

MathLattice Grade 2 Math Clear explanations • Visual reasoning • Worked examples • Practice • Tests • Printables