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Identifying a Number as Even or Odd: The Last-Digit Rule

Say the number sequence from 0 to 100

Converting dot grids to numbers up to 100

Counting Dots in a Grid — Up to 100

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Missing values in a number grid up to 100

Counting on a Number Grid — Up to 100

Counting values in a number grid up to 100

Counting to 100 with visual aids

Counting to 100 with numbers

Counting to 100 with objects

Skip counting by 2s, 5s, and 10s

Apply mental mathematics strategies for basic addition facts

Subtracting with digits up to 100

Subtract By Digits — Up to 100

Using number lines to subtract up to 100

Counting to subtract up to 100

Subtract By Counting — Up to 100

Subtracting by 10s

Subtract By Tens — Up to 100

Subtracting with place value models up to 100

Subtract Using Place Blocks — Up to 100

Subtraction facts up to 100

Subtraction Properties — Up to 100

Completing subtraction images & statements

Fill in the Blank — Up to 100

Subtracting by jumping up to 100

Using objects to subtract up to 100

Subtract By Objects — Up to 100

Subtraction with regrouping up to 100

Subtract By Regrouping — Up to 100

Subtraction tables up to 100

Subtraction word problems up to 100

Subtraction Word Problems — Up to 100

Demonstrate if a number up to 100 is even or odd

Even and odd numbers

Recognizing Even Numbers

Recognizing Odd Numbers

Even or odd numbers of objects

Even or Odd — Up to 10

Even or Odd — Up to 20

Identifying a number as even or odd

Even or odd numbers in number lines

Grouping even or odd numbers

Describe order or relative position using ordinal numbers

Ordinal numbers

Count to the Ordinal — Up to 10

Count to the Ordinal — Up to 20

Place Value Tables of Multi-Digits

Place Value Tables — Multi-Digit

Identifying the Place Value of a Digit

Place Value of a Digit — Multi-Digits

Expanded Form of Multi-Digits

Place Values in Expanded Form — Up to 10K

Place Values in Expanded Form — Up to 999

Converting Between Place Values of Multi-Digits

Conversions To and From — Up to 9999

Represent and describe numbers to 100

Matching place value models to numbers

Match the Number to a Model — Up to 999

Numeral expanding up to 999

Numeral Expansion — Up to 999

Reading and Writing Digits

Reading and Writing Digits — Up to 20

Reading and Writing Digits — Up to 99

Adding and Regrouping Place Values

Benchmarks to 100

Compare and order numbers up to 100

Comparing values up to 99

Comparing Models — Up to 99

Comparing Numbers — Up to 99

Estimate quantities to 100 using referents

Place Value Models of Multi-Digits

Regrouping Place Values of Multi-Digits

Place Values Regrouping — Up to 999

Estimating lengths

Illustrate the meaning of place value for numerals to 100

Using number line to subtract up to 20

Identifying hundred, tens, & ones

Identify the Digit — Up to 999

Place value models up to 999

Identify the Number from the Model — Up to 999

Converting between place values up to 999

Convert Hundreds to Tens (Up to 999)

Demonstrate and explain the effect of adding or subtracting zero

Subtracting with the number zero

Subtract By Zero — Up to 20

Demonstrate understanding of addition and subtraction to 100

Adding digits up to 100

Add By Digits — Up to 100

Adding with doubles up to 100

Adding Doubles — Up to 100

Using counting to add digits up to 100

Adding By Counting — Up to 100

Repeated addition with arrays

Adding By Arrays — Up to 100

Addition strategies

Adding By Separation — Up to 100

Adding with 3 numbers up to 100

Using number line to add up to 100

Addition facts up to 100

Addition with regrouping up to 100

Add By  Regrouping — Up to 100

Using models to add up to 100

Add Using Block Models — Up to 100

Addition tables up to 100

Add By Number Table — Up to 100

Completing addition statements up to 100

Addition word problems up to 100

Addition Word Problems — Up to 100

Demonstrate understanding of repeating patterns

Identifying patterns

Extending patterns

Demonstrate understanding of increasing patterns

Adding with patterns up to 100

Subtracting with patterns up to 100

Mixed patterns

Word problems involving patterns

Demonstrate and explain equality and inequality

Comparative language

Record equalities and inequalities symbolically

Verifying addition statements

Addition True or False Statements — Up to 20

Verifying subtraction statements

Subtraction Language

Gather and record data about self and others

Collecting data

Construct and interpret concrete graphs and pictographs

Bar graphs

Pictographs

Analyzing data word problems

Probability word problems

Relate days to week and months to year

Reading the clock

Reading time

Relate size of unit to number of units used in measurement

Measuring lengths

Compare and order objects by attributes

Comparing lengths

Demonstrate object orientation does not alter measurements

Adding and subtracting lengths

Sort 2-D shapes and 3-D objects using two attributes

Sort 2D Shapes by attribute

Describe, compare and construct 3-D objects

Composing and decomposing 2D Shapes

Describe relative positions of objects

Navigating spaces in grids

Identify 2-D shapes as parts of 3-D objects

Identify 2D shapes in 3D shapes

Assignments

Challenge Zone

Foundation Review

Grade 2 Math

Number

Patterns & Relations

Statistics and Probability

Shape and Space

math

This lesson explains how to identify a number as even or odd. Students learn the last digit rule, practice pairing objects into groups of two, and see worked examples that build a foundation for spotting patterns in number lines and hundred grids.

Even or Odd Numbers | StudyPug

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Overview

How to Tell If a Number Is Even or Odd

What You'll Learn

Identify even numbers by checking whether the last digit is 0, 2, 4, 6, or 8

Identify odd numbers by checking whether the last digit is 1, 3, 5, 7, or 9

Apply the rule \( n = 2k \) to recognize any even number, where \(k\) is a whole number

Apply the rule \( n = 2k+1 \) to recognize any odd number, where \(k\) is a whole number

Pair objects into groups of two to check evenness without relying on digits alone

Compare even and odd numbers using a number line or hundred grid to spot repeating patterns

What You'll Practice

Classifying single-digit and two-digit numbers as even or odd

Identifying patterns in even and odd numbers up to 20

Why This Matters

This Unit Includes

Practice exercises

Learning resources

Skills

Even Numbers

Odd Numbers

Number Sense

Divisibility

Number Properties