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Grade 4 (Elementary) Subjects:MathematicsScienceEnglish Language ArtsSocial Studies & Civics
CCSS.MATH.4.NF.A.1 / TEKS 4.3.Cβœ“ Minnesota Department of Education Official FrameworkπŸ“š 5 Units β€’ 14 Sequenced Topics

Grade 4 Mathematics: Multi-Digit Operations, Fractions & Decimals

A comprehensive, mastery-based curriculum guiding fourth graders through multi-digit place value, operational algorithms, fractional reasoning, decimals, measurement systems, and geometric properties.

Start Interactive Lesson (Equivalent Fractions, Decimals & The Number Line) β†’Academic Year 2026–27 β€’ Verified Against Official Standards
Unit 14.NBT
4 Sequenced Topics

Place Value, Multi-Digit Addition & Subtraction

Deepen understanding of the base-ten system up to 1,000,000, comparing numerals, rounding, and mastering standard computational algorithms.

1.1
Place Value Structure in Multi-Digit Numbers⚑ Video Masterclass Alignedβœ“ Standard Aligned
CCSS.MATH.4.NBT.A.1 β€” Recognize that in a multi-digit number, a digit in one place represents 10 times what it represents in the place to its right
Explore how each position in a base-ten numeral increases by a factor of 10 relative to the adjacent right column.
πŸ“Ί Featured Masterclass: Place Value: Understanding Base 10 & Place Value Columns by Math Antics (9m 32s)
Open Lesson & Drills β†’
1.2
Reading, Writing & Comparing Multi-Digit Whole Numbers⚑ Video Masterclass Alignedβœ“ Standard Aligned
CCSS.MATH.4.NBT.A.2 β€” Read and write multi-digit whole numbers using base-ten numerals, number names, and expanded form
Translate between numeral, word, and expanded forms and compare quantities up to 1,000,000 using relational symbols (<, =, >).
πŸ“Ί Featured Masterclass: Place Value and Comparing Multi-Digit Numbers by Math Antics (9m 32s)
Open Lesson & Drills β†’
1.3
Rounding Multi-Digit Numbers to Any Place Value⚑ Video Masterclass Alignedβœ“ Standard Aligned
CCSS.MATH.4.NBT.A.3 β€” Use place value understanding to round multi-digit whole numbers to any place
Apply vertical and horizontal number lines to approximate values to the nearest ten, hundred, thousand, or ten thousand.
πŸ“Ί Featured Masterclass: Rounding Numbers: The Mental Math Strategy by Math Antics (9m 44s)
Open Lesson & Drills β†’
1.4
Fluently Adding & Subtracting Multi-Digit Whole Numbers⚑ Video Masterclass Alignedβœ“ Standard Aligned
CCSS.MATH.4.NBT.B.4 β€” Fluently add and subtract multi-digit whole numbers using the standard algorithm
Master multi-digit addition with carrying and multi-digit subtraction with regrouping across zeros.
πŸ“Ί Featured Masterclass: Multi-Digit Addition: Carrying and Column Realignment by Math Antics (9m 02s)
Open Lesson & Drills β†’
Unit 24.OA & 4.NBT
4 Sequenced Topics

Multiplication & Division Operations

Expand multiplication to 4 digits by 1 digit and 2 digits by 2 digits; solve single-digit divisor divisions with remainders and investigate factors/multiples.

2.1
Multiplicative Comparison & Real-World Word Problems⚑ Video Masterclass Alignedβœ“ Standard Aligned
CCSS.MATH.4.OA.A.1-2 β€” Interpret a multiplication equation as a comparison and solve multiplicative comparison word problems
Distinguish between additive comparison ("3 more than") and multiplicative comparison ("3 times as many as").
πŸ“Ί Featured Masterclass: Multiplication Basics & Proportional Comparison by Math Antics (10m 10s)
Open Lesson & Drills β†’
2.3
Factors, Multiples, Prime & Composite Numbers⚑ Video Masterclass Alignedβœ“ Standard Aligned
CCSS.MATH.4.OA.B.4 β€” Find all factor pairs for a whole number in the range 1–100 and determine prime vs composite
Discover factor pairs using rectangular arrays and categorize integers 1–100 into prime and composite sets.
πŸ“Ί Featured Masterclass: Math Antics - Prime Factorization by Math Antics (10m 50s)
Open Lesson & Drills β†’
2.4
Multi-Digit Multiplication: Area Models & Partial Products⚑ Video Masterclass Alignedβœ“ Standard Aligned
CCSS.MATH.4.NBT.B.5 β€” Multiply a whole number of up to four digits by a one-digit whole number and multiply two two-digit numbers
Use geometric area grids and partial products to compute 4-digit by 1-digit and 2-digit by 2-digit products.
πŸ“Ί Featured Masterclass: Multi-Digit Multiplication: Partial Products and Standard Algorithm by Math Antics (10m 20s)
Open Lesson & Drills β†’
2.5
Whole Number Division with Remainders⚑ Video Masterclass Alignedβœ“ Standard Aligned
CCSS.MATH.4.NBT.B.6 β€” Find whole-number quotients and remainders with up to four-digit dividends and one-digit divisors
Illustrate division using area models, repeated subtraction, and standard long division notation with remainders.
πŸ“Ί Featured Masterclass: Long Division: Step-by-Step Algorithm & Remainders by Math Antics (11m 25s)
Open Lesson & Drills β†’
Unit 34.NF
4 Sequenced Topics

Fractions & Decimal Operations

Explore equivalent fractions, compare unlike denominators, compute fraction addition/subtraction, multiply by integers, and connect fractions to decimal notation.

3.1
Equivalent Fractions, Decimals & The Number Line⚑ Video Masterclass Alignedβœ“ Standard Aligned
CCSS.MATH.4.NF.A.1 β€” Explain why a fraction a/b is equivalent to a fraction (n*a)/(n*b) using visual fraction models
Understand fraction equivalence visually using area models and number lines, and learn to convert tenths and hundredths into decimals.
πŸ“Ί Featured Masterclass: Algebra Basics & Fraction Operations by Math Antics (9m 34s)
Open Lesson & Drills β†’
3.2
Comparing Fractions with Unlike Numerators & Denominators⚑ Video Masterclass Alignedβœ“ Standard Aligned
CCSS.MATH.4.NF.A.2 β€” Compare two fractions with different numerators and different denominators by creating common denominators
Find common denominators and benchmark fractions (such as 1/2) to order and compare rational quantities.
πŸ“Ί Featured Masterclass: Math Antics - Comparing Fractions by Math Antics (9m 00s)
Open Lesson & Drills β†’
3.3
Adding & Subtracting Fractions with Like Denominators⚑ Video Masterclass Alignedβœ“ Standard Aligned
CCSS.MATH.4.NF.B.3 β€” Understand addition and subtraction of fractions as joining and separating parts referring to the same whole
Decompose fractions into sums of unit fractions and add/subtract mixed numbers with common denominators.
πŸ“Ί Featured Masterclass: Math Antics - Adding and Subtracting Fractions by Math Antics (9m 55s)
Open Lesson & Drills β†’
3.5
Decimal Notation for Tenths, Hundredths & Decimals⚑ Video Masterclass Alignedβœ“ Standard Aligned
CCSS.MATH.4.NF.C.6-7 β€” Use decimal notation for fractions with denominators 10 or 100, and compare two decimals to hundredths
Represent tenths and hundredths as standard decimals (e.g. 0.62) and compare decimal quantities on the number line.
πŸ“Ί Featured Masterclass: Decimal Basics: Tenths, Hundredths and Number Lines by Math Antics (10m 15s)
Open Lesson & Drills β†’
Unit 44.MD
1 Sequenced Topics

Measurement, Data & Conversions

Understand relative sizes of measurement units, solve word problems involving time, volume, and mass, calculate perimeter and area, and interpret fractional line plots.

4.2
Perimeter & Area Formulas for Rectangles⚑ Video Masterclass Alignedβœ“ Standard Aligned
CCSS.MATH.4.MD.A.3 β€” Apply the area and perimeter formulas for rectangles in real world and mathematical problems
Calculate boundary perimeter (P = 2l + 2w) and enclosed area (A = l * w) for standard and compound rectilinear figures.
πŸ“Ί Featured Masterclass: Area: Calculating Surface Coverage for Rectangles and Triangles by Math Antics (9m 50s)
Open Lesson & Drills β†’
Unit 54.G
1 Sequenced Topics

Geometry, Angles & Symmetry

Classify lines and angles, measure degrees with a protractor, decompose additive angles, and determine bilateral symmetry in 2D figures.

5.2
Angle Measurement & Protractor Mastery⚑ Video Masterclass Alignedβœ“ Standard Aligned
CCSS.MATH.4.MD.C.5-6 β€” Recognize angles as geometric shapes formed wherever two rays share a common endpoint, and measure angles in whole-number degrees
Measure acute, obtuse, right, and reflex angles using circular arcs and protractors with degree precision.
πŸ“Ί Featured Masterclass: Math Antics - Angles & Degrees by Math Antics (8m 50s)
Open Lesson & Drills β†’