Curated OER
Investigating Square and Triangle Numbers
Fifth graders build increasingly larger squares and triangles using pattern blocks. They record the growth patterns on a chart and look for corresponding numerical patterns. Students describe the patterns they find and use them to...
Curated OER
Number Patterns: Triangular Numbers
Students explore number patterns. In this number pattern lesson, students discover the attributes of triangular numbers as well as the number patterns associated with them as they practice sequencing 10 triangular numbers.
Curated OER
Triangular Numbers
In this triangular numbers worksheet, students create a table of triangular numbers, write a formula for the nth number, and determine the sum of any two consecutive triangular numbers. This two-page worksheet contains five problems.
Curated OER
Triangular Numbers Are Everywhere !
For this math worksheet, students observe that the triangular numbers are associated with the sums of consecutive natural numbers beginning with 1.
Curated OER
Easy Worksheet: Special Numbers
In this special numbers worksheet, students solve 4 short answer problems. Students find various terms in the Fibonacci sequence, triangular number sequence, and the natural numbers in Pascal's Triangle.
Curated OER
Number Patterns: Triangular & Square Numbers
Students explore the patterns found in triangular and square numbers. In this number pattern lesson, students complete a worksheet exploring the relationship between triangular numbers and square numbers.
Curated OER
The Truth About Triangles and Squares
Fourth graders investigate the patterns associated with both triangular and square numbers. They use counters as manipulatives to depict the numbers as needed but focus on problem solving using mental math techniques.