INTELLIAXIS LAB

Grade 4 Math Mastery Core
Next-Gen Interactive Mathematics Engine

GRADE 4 MATH
MASTERY LAB

A hands-on preview of the full course: build numbers with place value and rounding, hunt for factors and multiples, multiply with the area model, master long division, and explore fractions, decimals, angles, and data — all interactive, all before you enroll.

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8 CORE
Interactive Labs
100+
Practice Problems
4.9 / 5
Student Rating
98.4%
Mastery Rate
// CURRICULUM ARCHITECTURE

INTERACTIVE MATH MODULES

Every card below is live — adjust the numbers and sliders to see the math respond in real time.

MILLIONS & PLACE VALUE
GRADE 4 • NUMBER SENSE
MOD 01

Number System & Place Value Lab

Read, build, expand, and write 6-digit and 7-digit whole numbers. Move confidently between standard form, expanded form, and number words.

Live Number: 4,826,150
Standard Form
4,826,150
Expanded Form
4,000,000 + 800,000 + 20,000 + 6,000 + 100 + 50
Number → Words
READ IT
Four million eight hundred twenty-six thousand one hundred fifty
Words → Number
CONVERT
Digit Value PLACE • VALUE
Select a digit to explore its value.
Place Value
Standard Form
Expanded Form
Number Words
4.NBT.A.1 • 4.NBT.A.2
Full Lesson
COMPARE & ROUND
GRADE 4 • NUMBER REASONING
MOD 02

Compare, Order & Round

Compare large whole numbers, arrange them in order, and round them to the nearest place using place-value reasoning.

Compare Numbers <   =   >
4,826,150
4,826,105
Choose the correct comparison symbol.
Order Numbers LEAST → GREATEST
Arrange the numbers from least to greatest.
Round To: nearest 1,000
Number Being Rounded
4,826,150
Rounded Result
4,826,000
Why?
Look at the digit immediately to the right of the place you are rounding to.
Compare
Order
Round
Reason
4.NBT.A.2 • 4.NBT.A.3
Full Lesson
OPERATIONS & ALGEBRA

Multi-Digit Multiplication (Area Model)

Decompose two-digit factors into tens and ones to visualize partial products in an interactive area matrix.

Interactive Area Model: 34 × 26 = 884
30 × 20 600
4 × 20 80
30 × 6 180
4 × 6 24
4.NBT.B.5
Full Lesson
FACTOR DETECTIVE

Factors, Multiples & Prime/Composite

Hunt for every factor pair, build a rectangular array, and discover whether a number is prime or composite.

Number Detective: 24 → COMPOSITE (8 factors)
First 6 Multiples
4.OA.B.4
Full Lesson
NBT DIVISION MATRIX

Long Division Engine & Remainders

Step-by-step division algorithm showing quotients, partial products, and remaining quantities.

Quotient Step Engine: 347 ÷ 5 = 69 R 2
1. Whole Quotient:69
2. Product (Quotient × Divisor):345
3. Remainder Difference:2
4.NBT.B.6
Full Lesson
FRACTION MATRIX

Fraction Equivalence & Visual Bars

Adjust numerators and denominators in real time to discover equivalent fractions and benchmark values.

Fraction Shader: 3 / 4 (75%)
Shaded Numerator: 3
Denominator Parts: 4
4.NF.A.1
Full Lesson
DECIMALS PROBE

Decimals & Tenths / Hundredths Grid

Explore how fractions with denominators 10 and 100 map directly to decimal notation and place value.

Decimal Probe: 0.45 = 45/100
Simplified: 9/20
4.NF.C.6
Full Lesson
GEOMETRY LAB

Angles, Rays & Protractor Simulator

Measure acute, right, and obtuse angles on a real protractor face with a live degree readout.

Angle Rotator: 65° (ACUTE)
Drag slider to rotate ray:
4.MD.C.6
Full Lesson
DATA & MEASUREMENT

Data Frequency Line Plots

Display measurements in fractions of a unit (1/8, 1/4, 1/2) using visual frequency bar plots.

Measurement Frequency:
4.MD.B.4
Full Lesson
// FULL CURRICULUM MAP

The Complete Grade 4 Curriculum

Tap any topic for a quick preview of what your child will learn. Topics marked Live Lab have a hands-on module above.

16 Topics
// BEGIN THE JOURNEY

Ready to Enroll in Grade 4 Math Mastery?

This page is a live preview of eight of the interactive labs inside the full course. Continue to the IntelliAxis Lab portal to enroll and unlock the complete curriculum.

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