Mathematics Grade 1 15 min

Complete a pattern

Complete a pattern

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1

Introduction & Learning Objectives

Learning Objectives Identify and classify different types of patterns (numerical, visual). Determine the underlying rule or relationship governing a given pattern. Extend numerical sequences by applying their identified rules. Predict and draw the next elements in visual patterns. Express simple linear pattern rules using algebraic notation. Apply pattern recognition skills to solve related mathematical problems. Ever notice how things repeat around you? 🕵️‍♀️ From the days of the week to the tiles on a floor, patterns are everywhere! In this lesson, you'll learn how to identify, analyze, and extend various types of patterns. Understanding patterns helps us predict, organize, and solve problems in mathematics and daily life, laying foundations for more complex topics l...
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Key Concepts & Vocabulary

TermDefinitionExample PatternA sequence of elements (numbers, shapes, sounds, etc.) that repeats or follows a predictable rule or order.The sequence 2, 4, 6, 8, ... is a pattern where each number increases by 2. SequenceAn ordered list of numbers or objects, often following a specific rule.The sequence of odd numbers: 1, 3, 5, 7, ... TermEach individual element or number in a sequence.In the sequence 5, 10, 15, 20, ..., the number 10 is the second term. Rule of a PatternThe mathematical operation or description that explains how to get from one term to the next, or how to generate any term in the sequence.For the pattern 3, 6, 9, 12, ..., the rule is 'add 3 to the previous term'. Arithmetic Pattern (or Sequence)A numerical pattern where the difference between consecutive terms i...
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Core Formulas

Finding the Common Difference (Arithmetic Patterns) $d = a_2 - a_1$ To find the common difference ($d$) in an arithmetic pattern, subtract any term ($a_1$) from its succeeding term ($a_2$). This value is used to extend the pattern. General Rule for an Arithmetic Sequence (Linear Patterns) $a_n = a_1 + (n-1)d$ This formula allows you to find any term ($a_n$) in an arithmetic sequence. $a_1$ is the first term, $n$ is the term number you want to find, and $d$ is the common difference. This rule is a direct application of linear relationships. Identifying Visual Pattern Changes Observe how elements change: count, position, orientation, color, or shape. For visual patterns, carefully analyze what changes from one figure to the next. Look for additions, subtractions, rotat...

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Sample Practice Questions

Challenging
In the arithmetic sequence 6, 11, 16, 21, ..., which term number is 101?
A.The 18th term
B.The 19th term
C.The 20th term
D.The 21st term
Challenging
A visual pattern is made of dots. Figure 1 has 1 dot. Figure 2 has 4 dots (a 2x2 square). Figure 3 has 9 dots (a 3x3 square). Following this pattern, how many dots will be in Figure 6?
A.12
B.25
C.30
D.36
Challenging
The sum of three consecutive terms in an arithmetic sequence is 45. What is the middle term of these three?
A.10
B.15
C.20
D.Cannot be determined

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