# Web Links for Math K5, 3rd ed.

About Links## Chapter 1: Geometry

- Attribute Blocks

sorting blocks to learn color and shape concepts - Shape Construction

looking for differences and similarities between shapes to complete puzzles; symmetry

## Chapter 2: Classifying & Comparing

- Comparing Number Values

counting and comparing the number of dots in two sets; use symbols <, >, =

## Chapters 3–4: Numbers 0–10

- Connect the Dots 1–10

counting numbers to connect the dots and reveal a picture - Numerical Order

putting numbers in order - Sieve of Eratosthenes

relating number patterns with visual patterns

## Chapter 5: Measurement

- Measuring: Find Lengths with a Ruler

choosing lengths to the nearest whole, half, quarter, or sixteenth of an inch

## Chapter 6: Numbers 11–19

- Connect the Dots 1–20

counting numbers to connect the dots and reveal a picture - Counting Fish

counting fish and ignoring an octopus and a shark; more than / less than answer corrections - Sieve of Eratosthenes

relating number patterns with visual patterns

## Chapter 7: Time

- Learn to Tell Time

setting the time on an analog or digital clock - Time – Match Clocks

showing a given time on both analog and digital clocks

## Chapter 8: Numbers to 39

- Connect the Dots 1–30

counting numbers to connect the dots and reveal a picture - Connect the Dots 1–40

counting numbers to connect the dots and reveal a picture - Sieve of Eratosthenes

relating number patterns with visual patterns

## Chapter 9: Addition to 5

- Base Blocks Addition

using base ten blocks to model grouping in addition - Number Line Arithmetic

using a number line to illustrate arithmetic operations - Number Line Bars

using bars to show addition, subtraction, multiplication, and division on a number line - Addition with Manipulatives

scoring to advance to the next of five different levels of addition

## Chapter 10: Calendar

- Calendar

identifying dates with calendar activities

## Chapter 11: Money

- Learning Coins

introducing coins with audio support and interactive activities

## Chapter 12: More Addition

- Base Blocks Addition

using base ten blocks to model grouping in addition - Number Line Arithmetic

using a number line to illustrate arithmetic operations - Number Line Bars

using bars to show addition, subtraction, multiplication, and division on a number line - Addition with Manipulatives

scoring to advance to the next of five different levels of addition

## Chapter 13: Fractions

- Fractions - Visualizing

illustrating a fraction by dividing a shape and highlighting the appropriate parts - Fractions - Naming

entering the fraction that corresponds to the highlighted portion of a shape - Fractions - Parts of a Whole

relating parts of a whole unit to written description and fraction - Fraction Bars

using fraction bars to learn about fractions

## Chapter 14: Numbers to 100

- Sieve of Eratosthenes

relating number patterns with visual patterns

## Chapter 15: Subtraction to 6

- Base Blocks Subtraction

using base ten blocks to model separating groups in subtraction - Number Line Arithmetic

using a number line to illustrate arithmetic operations - Number Line Bars

using bars to show addition, subtraction, multiplication, and division on a number line

## Chapter 16: Geometry

- Geoboard

using bands on geoboards to match a figure - Ladybug Leaf

programming a ladybug to hide behind a leaf - Ladybug Mazes

programming a ladybug to move through a maze

## Chapter 17: Money

- Learning Coins

introducing coins with audio support and interactive activities

## Chapter 18: Measurement

- Attribute Blocks

learning color and shape concepts by sorting blocks

## Chapter 19: Time

- Learn to Tell Time

setting the time on an analog or digital clock - Time – Match Clocks

showing a given time on both analog and digital clocks

## Chapter 20: Addition & Subtraction to 10

- Base Blocks Addition

using base ten blocks to model grouping in addition - Base Blocks Subtraction

using base ten blocks to model separating groups in subtraction - Number Line Arithmetic

using a number line to illustrate arithmetic operations - Number Line Bars

using bars to show addition, subtraction, multiplication, and division on a number line - Addition with Manipulatives

scoring to advance to the next of five different levels of addition

## Chapter 21: Calendar

- Calendar

identifying dates with calendar activities

## Chapter 22: Fractions

- Fractions - Visualizing

illustrating a fraction by dividing a shape and highlighting the appropriate parts - Fractions - Naming

entering the fraction that corresponds to the highlighted portion of a shape - Fractions - Parts of a Whole

relating parts of a whole unit to written description and fraction - Fraction Bars

using fraction bars to learn about fractions

## General Resources

- ABCya.com

computer games and activities for elementary students - National Library of Virtual Manipulatives

interactive, virtual manipulatives or concept tutorials (K–12) - Aplusmath.com

interactive use of flash cards, games, homework, and worksheets - Cool Math

cool math lessons, activities, games, and apps, pre-algebra, algebra, precalculus

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Due to the transient nature of websites, these links are updated regularly. At the time of publication, all of the web links suggested in our educational materials were active. Since then, some may have been replaced by similar websites or removed from this list. If you have comments, suggestions, questions, or find that one of these resources is no longer in service, please e-mail us.