Standard 1: Students will acquire number sense and perform operations with whole numbers.

• Objective 1 -- Represent whole numbers in a variety of ways.
  • Represent whole numbers in groups of 100, 10, and 1 using this virtual Chip Abacus.
  • Explore number relationships with this Number Patterns lesson activity.
  • Students can explore counting strategies using Bobbie Bear's Closet.
  • Explore numbers in this Possible Solutions Set activity.
• Objective 2 -- Identify simple relationships among whole numbers
• Objective 3 -- Model and illustrate meanings of the operations of addition and subtraction and describe how they relate.
• Watch Addem is a series of short animated clips dealing with addition and subtraction. The focus is on using strategies for adding and subtracting, including counting up/down, adding to 10's, etc. Links to specific stories:
  • Lost Babies -- Recognizing numbers
  • Houses -- Adding three numbers to equal 29.
  • Bedtime -- Adding by 10s.
  • The Chef - Adding to 10s
  • Antthea's acorns -- Adding 100
  • Cowboys -- Countdown to subtract
  • Birthday candles -- Counting up to find differences
  • Regatta -- Subtract by 10
  • New Office -- Subtracting to 10s
  • Square Bashing -- Adding and subtracting by 10s.
• Dartboard Game - Students double numbers to get a specified total.
• Snakes and Ladders - Students practice adding skills.
• Test the Toad - Students add and subtract single-digit numbers.
• Students try to make combinations of numbers to equal 99 in this Circle 99 online activity.
• Explore subtraction in this Links Away lesson plan.
• Students can see how addition and subtraction work using this interactive Number line.
• Students use a bounce number line and a group of numbers to add and subtract to a given number.
• Students complete various Number Puzzles by adding.
• Objective 4 -- Use fractions to identify parts of the whole
  • Students name fractions in this online activity.
  • Students can explore fractions as part of the whole in this online activity.
  • Students are given a fraction and asked to create it in this visual fractions activity.
• Objective 5
  Solve whole number problems using addition and subtraction in vertical and horizontal notation

Standard 2: Students will identify and use patterns and relations to represent mathematical situations.

• Objective 1
  Recognize and represent patterns having multiple attributes.
  • Create a variety of patterns using online Pattern Blocks.
• Using patterns to identify relationships with this Making Patterns lesson activity.
• Explore patterns using this Online Patch Tool.
• Use pattern blocks to create algebraic-type expression using this Shape Pan Balance.
• Create patterns using Pentominoes, Polyominoes and Pattern Blocks.
• Students create a pattern of Turtle Rectangles by changing variables.
• Objective 2
  Recognize and represent relations using mathematical symbols

Standard 3: Students recognize, describe and identify geometric shapes.

• Objective 1
  Describe, identify, and create geometric shapes
  • Learn simple geometric shapes using this Making Triangles lesson activity.
  • Explore geometry with this Tangram Puzzle lesson activity.
  • Create and identify basic shapes using an online Geoboard.
  • Explore solids with this online tool.
• Objective 2
  Describe spatial relationships
  • Create patterns using Pentominoes and Polyominoes and Pattern Blocks.
  • Develop geometric concepts and spatial relationships programming a turtle.
  • Create shapes and patterns with this online Tangram.

Standard 4: Students will understand and use measurement tools and techniques.

• Objective 1
  Identify measurable attributes of objects and units of measurement
• Objective 2
  Use appropriate techniques and tools to determine measurements.
  • Use directions and angles to move and hide the Ladybug or to help the ladybug move through the maze.
  • Explore measuring and geometry using this Traveling Along unit plan.
  • This Magnificent Measurement unit plan helps students explore measurement.

Standard 5: Students will collect and draw conclusions from data.

• Objective 1
  Collect, organize, and display simple data.
  • Create bar charts using this online tool.
  • Students gather and interpret data using Pizzas!
• Objective 2
  Determine the likelihood of an event
  • Students can use this spinner, Stick or Switch or Coin Toss activity to explore probability.