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Counting Up to 20: From Teen Numbers to Twenty

K.CC.A.1

Number sequences up to 10

Number Sequences — Up to 10

Number Sequences — Up to 20

Counting up to 20

Before, After, Between — Up to 20

Count Objects — Up to 20

Counting Forward and Backward — Up to 20

Listen to Number — Up to 20

Next Number — Up to 20

Number Lines — Up to 20

Number to Word Name — Up to 20

One More or Less — Up to 20

Tally Marks — Up to 20

Count Up or Down — Up to 20

Word Name to Number — Up to 20

Numbers After — Up to 20

Count Backwards — Up to 20

Numbers Before — Up to 20

Numbers Between — Up to 20

Count Objects — Up to 10

Count Down — Up to 20 

Count Forwards — Up to 20

Matching Objects to Numbers — Up to 10

Matching Objects to Numbers — Up to 20

Next Number — Up to 10

One Less — Up to 20

One More — Up to 20

Represent Numbers — Up to 10

Count Up — Up to 20 

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K.CC.A.2

Counting forward and backward

Counting Backwards — Up to 10

Counting Forward and Backward — Up to 10

Counting Forwards — Up to 10

Count Backwards — Up to 10

Count Forwards — Up to 10

K.CC.A.3

Naming numbers up to 10

Number to Word Name — Up to 10

Word Name to Number — Up to 10

K.CC.B.4

Counting objects using numbers up to 5

Represent Numbers — Up to 5

Matching objects with numbers up to 5

Match Objects to Numbers — Up to 5

Matching Objects to Numbers — Up to 5

Listening to numbers up to 5

Listen to Number — Up to 5

K.CC.B.5

Counting numbers using objects up to 5

Count Objects — Up to 5

Tally marks up to 10

Tally Marks — Up to 10

K.CC.C.6

Fewer or more

Comparing two numbers

Comparing Two Numbers

K.CC.C.7

Comparing three numbers

Comparing Three Numbers

K.G.A.1

Inside and Outside

Above and Below

Beside and next to

Left, Middle, Right

Top, Middle, Bottom

K.G.A.2

Name and select the 2D shape

Identify the Shape

Name the Shape

Name and select the 3D shape

Identify the 3D Shape

Name the 3D Shape

K.G.A.3

Compare 2D and 3D shapes

K.G.B.4

Count and compare sides and corners

Count the Corners

Count the Sides

Shapes of everyday objects

What shapes are the same and different?

K.G.B.5

Compose 2D shapes

Identify shapes traced from solids

K.MD.A.1

Linear height (tall and short)

Width (wide and narrow)

Lengths (long and short)

Capacity (holds more, holds less)

K.MD.A.2

Mass (light and heavy)

Measuring using objects

K.MD.B.3

Classify and sort by shape

Classify and sort

Sort and count shapes into a Venn diagram

K.NBT.A.1

Counting up or down up to 10

Count Up or Down — Up to 10 

Count Down — Up to 10 

Count Up — Up to 10 

Number lines up to 10

Number Lines — Up to 10

K.OA.A.1

Combining together with objects up to 5

Add By Objects — Up to 5

Combining together with objects up to 10

Add By Objects — Up to 10

Add the Dots — Up to 10

Add the Fruit — Up to 10

Taking away with objects up to 5

Subtract By Objects — Up to 5

Taking away with objects up to 10

Subtract By Objects — Up to 10

K.OA.A.2

Addition word problems up to 5

Addition Word Problems — Up to 5

Addition word problems up to 10

Addition Word Problems — Up to 10

Subtraction word problems up to 5

Subtraction Word Problems — Up to 5

Subtraction word problems up to 10

Subtraction Word Problems — Up to 10

K.OA.A.3

Separating parts with objects up to 5

Add By Its Parts — Up to 5

Separating parts with objects up to 10

Add By Its Parts — Up to 10

K.OA.A.4

Adding with digits up to 10

Add By Digits — Up to 10

Add the Digits — Up to 10

Adding or taking one up to 10

One More or Less — Up to 10

One Less — Up to 10

One More — Up to 10

K.OA.A.5

Adding with digits up to 5

Add By Digits — Up to 5

Adding one up to 5

One More — Up to 5

Taking away one up to 5

One Fewer — Up to 5

One Less — Up to 5

Parent Assignments

Challenge Zone

Foundation Review

Kindergarten Math

sample

math

Intro: Counting Up To 20

Introduction to counting up to twenty

This kindergarten lesson teaches counting up to 20 by extending the 1 to 10 counting sequence into the teen numbers and twenty. Students learn to recognize each number, understand teen numbers as ten plus extra ones, and use tools like ten-frames and number lines to count objects accurately and in order.

Counting Up to 20 | StudyPug

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Overview

Counting Numbers 1 to 20

What You'll Learn

Recite the counting sequence from 1 to 20 in the correct order without skipping numbers

Recognize that every teen number equals ten plus some ones, such as \( 10 + 7 = 17 \)

Use a ten-frame to organize objects into groups of ten so counting past ten is easier

Read a number line from 1 to 20 to identify what comes before, after, or between numbers

Count a set of objects one at a time, matching each object to exactly one number word

What You'll Practice

Counting groups of objects like fruits and animals

Finding missing numbers on number lines

Converting between numbers and word names

Identifying one more or one less than a given number

Reading tally marks and determining values

Why This Matters

This Unit Includes

1 Video lesson

Practice exercises

Learning resources

Skills

Counting

Number Recognition

Number Sense

Tally Marks

Number Lines

Number Words

Sequencing