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▾
3rd grade
▸
Addition, subtraction, estimation
•
Mentally add within 1000
•
Round to the nearest 10 or 100
•
Add and subtract within 1000, abstract
▸
Multiplication
•
Multiplication using rectangular arrays and equal groups, concrete and visual
•
Multiplication as repeated addition
•
Multiply, abstract
▸
Division
•
Divide using equal groups
•
Division as repeated subtraction
•
Divide, abstract
▸
Fractions
•
Equal shares of shapes and unit fractions
•
Plot fractions on the number line
•
Relating fractions to 1
•
Representing whole numbers as fractions
•
Comparing fractions with like numerators, denominators, or both
▸
Relating multiplication and division
•
Missing number problems, multiplication and division
•
Relating multiplication to division
•
Use properties to multiply and divide
•
Multiply one-digit numbers by multiples of 10
▾
Arithmetic patterns and problem solving
•
Two-step word problems
•
Arithmetic and geometric sequences
•
Patterns in addition and multiplication
•
Intro to the triangular numbers
•
Intro to the Fibonacci sequence
•
Intro to Pascal's triangle
▸
Geometry
•
Shape heirarchy
•
Area of composite rectangles by counting unit squares
•
Area and units of measure
•
Area as multiplication
•
Area, perimeter, and how they're related
▸
Time, measurement, and data
•
Tell and write time, minute increments
•
Measure and estimate volumes and masses
•
Scaled bar and picture graphs
•
Line plots with fractions
›
3rd grade
›
Arithmetic patterns and problem solving
›
Intro to Pascal's triangle
Other resources
The Cambridge Puzzle
YouTube videos
241
Pascal's Triangle - Numberphile
Numberphile
480
Mathsplanations: 5 Reasons to like Pascal's Triangle
Spoonful of Maths
590
The mathematical secrets of Pascal’s triangle - Wajdi Mohamed Ratemi
TED-Ed
679
Art of Problem Solving: Introducing Pascal's Triangle
Art of Problem Solving
680
Art of Problem Solving: Patterns in Pascal's Triangle
Art of Problem Solving
31765
Introducing Pascal's Triangle
Ms Shaws Math Class
26076
Primes in Pascal's Triangle = Mindblown.
Eddie Woo
69918
Fibonacci series or Fibonacci Numbers in Pascal's Triangle
MathsSmart
281
The Galton Board
D!NG