K.MD Which is Longer?

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This is a task from the Illustrative Mathematics website that is one part of a complete illustration of the standard to which it is aligned. Each task has at least one solution and some commentary that addresses important asects of the task and its potential use. Here are the first few lines of the commentary for this task: Materials Blackline Master Pencil or Crayons Long, skinny objects to compare; for example: a pair of scissors a crayon a glue stick a long, skinny wood...

Material Type: Activity/Lab

Author: Illustrative Mathematics

Which weighs more? Which weighs less?

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In this activity students compare objects and practice determining which objects are heavier and lighter.

Material Type: Activity/Lab

Author: Illustrative Mathematics

K.NBT What Makes a Teen Number?

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This is a task from the Illustrative Mathematics website that is one part of a complete illustration of the standard to which it is aligned. Each task has at least one solution and some commentary that addresses important asects of the task and its potential use. Here are the first few lines of the commentary for this task: Decompose teen numbers using 10-frames and a number equation. #### Materials * Number cards 11-19 * Pencil, crayon, or marker * Attached student worksh...

Material Type: Activity/Lab

Author: Illustrative Mathematics

Boxes and Cartons of Pencils

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This instructional task requires students to figure out word problems that require thinking in base 10.

Material Type: Activity/Lab

Author: Illustrative Mathematics

Counting Circles

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This task suggests ways to incorporate counting circles into classroom activities.

Material Type: Activity/Lab

Author: Illustrative Mathematics

Start-Stop Counting

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This counting activity allows students to practice counting in sequence.

Material Type: Activity/Lab

Author: Illustrative Mathematics

Number After Bingo 1-15

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This number after bingo activity increases student flexibility with the number sequence and their ability to start counting sequences at various points.

Material Type: Activity/Lab

Author: Illustrative Mathematics

Number Line Up

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This number line up activitiy gets students out of their seats and helps reinforce the counting sequence.

Material Type: Activity/Lab

Author: Illustrative Mathematics

'One More' Concentration

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This game game supports students in counting forward and can be adjusted to support backward counting.

Material Type: Activity/Lab

Author: Illustrative Mathematics

Pick a Number, Counting On

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This is a choral counting activity that can be easily adjusted as students learn higher numbers.

Material Type: Activity/Lab

Author: Illustrative Mathematics

K.CC Bags of Stuff

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This is a task from the Illustrative Mathematics website that is one part of a complete illustration of the standard to which it is aligned. Each task has at least one solution and some commentary that addresses important asects of the task and its potential use. Here are the first few lines of the commentary for this task: #### Materials * 10-15 quart plastic bags of various counters (different numbers of counters in each bag) * A recording sheet for the activity with pic...

Material Type: Activity/Lab

Author: Illustrative Mathematics

Assessing Writing Numbers

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This assessment may be used in a small group or whole group setting, give each student a piece of paper. Students who have trouble writing certain numbers can then get targeted practice.

Material Type: Activity/Lab

Author: Illustrative Mathematics

Number TIC TAC TOE

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This activity is played in pairs and gives students practice reading numbers out loud and tracing them.

Material Type: Activity/Lab

Author: Illustrative Mathematics

Race to the Top

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This activity can be played by pairs of students to support writing numbers.

Material Type: Activity/Lab

Author: Illustrative Mathematics

Number Rods

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This activity gives students practice counting for meaning.

Material Type: Activity/Lab

Author: Illustrative Mathematics

Goody Bags

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This task aims to give students practice counting and recording the given number on quantities up to 20.

Material Type: Activity/Lab

Author: Illustrative Mathematics

Counting Mat

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This task gives students another way to practice counting and gain fluency with connecting a written number with the act of counting. This task should be introduced by the teacher and would then be a good independent center.

Material Type: Activity/Lab

Author: Illustrative Mathematics

K.CC Finding Equal Groups

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This is a task from the Illustrative Mathematics website that is one part of a complete illustration of the standard to which it is aligned. Each task has at least one solution and some commentary that addresses important asects of the task and its potential use. Here are the first few lines of the commentary for this task: Material * Assorted objects to create the groups * Clear ziplock bags or small cups * Index cards and stickers * An egg timer or a kitchen timer Action...

Material Type: Activity/Lab

Author: Illustrative Mathematics

Which Number is Greater? Which Number is Less? How Do You Know?

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The purpose of this task is for students to explain how they know one quantity is greater or less than another quantity. Students will easily be able to identify which number is greater or less. However, explaining their reasoning will help them solidify their number sense skills.

Material Type: Activity/Lab

Author: Illustrative Mathematics