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▾4th grade
- ▸Place value of whole numbers
  - •Place value of multi-digit whole numbers
  - •Adding and subtracting multi-digit numbers
  - •Multiply and divide by 10
  - •Represent a number using base ten blocks, units, tens, and hundreds
  - •Convert between written forms of numbers
  - •Round whole numbers
  - •Estimating sums and differences by rounding
  - •Estimating products by rounding
- ▸Multiplication and division
  - •Multiplying one-digit numbers by 10, 100, and 1000
  - •Multiplying one-digit numbers by multiples of 10, 100, and 1000
  - •Multiplying 10s
  - •Multiplication
  - •Quotients and remainders
  - •Pattern in the units digit of multiples
  - •Solve multiplication and division word problems
  - •Multi-step word problems
- ▸Factors, multiples, and patterns
  - •Factors and multiples
  - •Divisibility tests
  - •Prime and composite numbers
  - •Number patterns
- ▸Equivalent fractions and comparing fractions
  - •Equivalent fractions
  - •37 trick
  - •Compare fractions with unlike numerators, denominators, or both
- ▸Fraction arithmetic
  - •Round fractions
  - •Add and subtract fractions with like denominators
  - •Add fractions with denominators of 10 or 100
  - •Multiply fractions by whole numbers
- ▸Understand decimals
  - •Represent decimal numbers using base ten blocks
  - •Compare decimals to hundredths
- ▾Geometry
  - •Intro to parallel and perpendicular lines
  - •Lines of symmetry
  - •Rotational symmetry
  - •Intro to angles
  - •Measuring and drawing angles
  - •Coterminal angles
  - •Naming angles
  - •Adjacent angles and the additive property of angles
- ▸Units of measurement
  - •Converting larger units of volume to smaller ones
  - •Converting larger units of length to smaller ones
  - •Converting larger units of time to smaller ones
  - •Word problems involving measures

› 4th grade › Geometry

Intro to parallel and perpendicular lines

Students will learn what it means for two lines to be parallel or perpendicular to each other. Here's a video.

Lessons and practice problems