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Math · Grade 4 Math · Unit 4

Unit 4: From Hundredths to Hundred-Thousands

Students read, write and compare numbers in decimal notation. They also extend place value understanding for multi-digit whole numbers and add and subtract within 1,000,000.

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Practice

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What this unit covers

A Decimals with Tenths and Hundredths · 5 lessons
Goals
  • Represent, compare, and order decimals to the hundredths by reasoning about their size.
  • Write tenths and hundredths in decimal notation.
Lessons
  1. Decimal Numbers
  2. Equivalent Decimals
  3. Decimals on Number Lines
  4. Compare and Order Decimals
  5. Compare and Order Decimals in Different Notations
B Place Value Relationships through 1,000,000 · 6 lessons
Goals
  • Read, represent, and describe the relative magnitude of multi-digit whole numbers up to 1 million.
  • Recognize that in a multi-digit whole number, the value of a digit in one place represents ten times what it represents in the place to its right.
Lessons
  1. How Much Is 10,000?
  2. Numbers Within 100,000
  3. Beyond 100,000
  4. Same Digit, Different Value
  5. Ten Times As Much
  6. Large Numbers on a Number Line
C Compare, Order, and Round · 6 lessons
Goals
  • Compare, order, and round multi-digit whole numbers within 1,000,000.
Lessons
  1. Compare Multi-Digit Numbers
  2. Order Multi-Digit Numbers
  3. Multiples of 10,000 and 100,000
  4. The Nearest Multiples of 1,000, 10,000, and 100,000
  5. Round Numbers
  6. Apply Rounding
D Add and Subtract · 6 lessons
Goals
  • Add and subtract multi-digit whole numbers using the standard algorithm.
Lessons
  1. Standard Algorithm to Add and Subtract
  2. Compose and Decompose to Add and Subtract
  3. Add and Subtract within 1,000,000
  4. Zeros in the Standard Algorithm
  5. Solve Problems Involving Large Numbers
  6. Bees are Buzzing (Optional)

Helpful to know first

The curriculum says this unit builds on these.

Grade 4 Math · Unit 3 Extending Operations to Fractions
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← Unit 3 See the whole map Next: Unit 5 · Multiplicative Comparison and Measurement →

Adapted from the Illustrative Mathematics curriculum (v.360), licensed CC BY-NC 4.0. © Illustrative Mathematics.