Harcourt's 2nd Grade Online Math Activities

Chapter 1

Number Line - Estimate

Identify Numbers
 1 - 100

Chapter 2

Ghost Blasters:
Odd Numbers

Mallard Maths:
Odd or Even

Speed Grid Addition 1

Spooky Sequences by Ones

Spooky Sequences by Twos

Spooky Sequences by 3s

Spooky Sequences by 5s

Mend the Number Square

Counting Story:  Ants Parade

Chapter 3

Spooky Sequences backwards Ones

Spooky Sequences backwards Twos

Spooky Sequences backwards Fives

Spooky Sequences backwards Tens

Sum Sense: Addition

Sum Sense: Subtraction

Test the Toad: Add/Subtract

Chapter 4

Sleuths on the Loose!

Bugs in the System!

Chapter 5

Ghost Blasters:
 2 digits + 1 digit

Speed Grid Addition 2

Chapter 6

Ghost Blasters:
2 digits - 1 digit

Ghost Blasters:
2 digits - 2 digits

Speed Grid Subtraction 1

Chapter 8

Speed Grid Addition 2

Ghost Blasters:
2 digits + 2 digits

Chapter 9

Math Magician: Choose from 2 Levels of Difficulty in Addition or Subtraction

Speed Grid Subtraction 2

Counting Money

Cash Out!

Money Desk

Piggy Bank

Class Clock

Bang on Time!

Stop the Clock! (half hour)

Stop the Clock! (5 minutes)

Dragon's Clock

Online Quiz: (5 minutes)

Chapter 16

Billy Bug & his Quest for Grub!

Finding Hurkle!

Chapter 17

Fish Tank

Spinner Probability

Chapters 18 & 19

Online Shape Identification Quiz

Polygon Playground

Robo Packer

Chapter 20

Tessellation Maker

Tessellation Activities

Chapter 21

Dancing Patterns

Cyber Pattern Player

Crack Hacker's Safe

Chapters 22 & 23

Send in the Trolls!

Chapters 24 & 25

Online Centimeter Ruler

Chapter 26

Interactive Fractions:
Parts of a Whole

Fraction Flags: Halves

Fraction Flags: Thirds

Chapters 27 & 28

Number Machine

Place Value

Web Math Place Value