Grass Seedlings
(View Complete Item Description)This task requires students to think about and compare fractions.
Material Type: Activity/Lab
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Growing Bean Plants
(View Complete Item Description)This task adds some rigor to the activity of growing bean plants. By collecting growth data, students practice measuring and recording length measurements.
Material Type: Activity/Lab
Half of a Recipe
(View Complete Item Description)This task involves fraction multiplication that can be solved with pictures or number lines.
Material Type: Activity/Lab
Hand Span Measures
(View Complete Item Description)In this activity students measure their hand span. A line graph is used to record the data from the glass.
Material Type: Activity/Lab
How Heavy
(View Complete Item Description)In this activity using a balance scale students practice weighing items to see how heavy they are. Cubes are used in the balance as units of measure so students may easily count them.
Material Type: Activity/Lab
How Many Days Until Summer Vacation?
(View Complete Item Description)This task gives children an opportunity to subtract a three-digit number including a zero that requires regrouping. The solutions show how students can solve this problem before they have learned the traditional algorithm.
Material Type: Activity/Lab
How Many Tenths and Hundredths?
(View Complete Item Description)This task requires students to add tenths and hundredths.
Material Type: Activity/Lab
How Much Pie?
(View Complete Item Description)The purpose of this task is to help students see the connection between aÖb and ab in a particular concrete example. The relationship between the division problem 3Ö8 and the fraction 3/8 is actually very subtle.
Material Type: Activity/Lab
How many marbles?
(View Complete Item Description)This task addresses the division problem 4Ö1/3.
Material Type: Activity/Lab
How many servings of oatmeal?
(View Complete Item Description)This task provides a context for performing division of a whole number by a unit fraction. This problem is a "How many groups?'' example of division.
Material Type: Activity/Lab
Identifying Multiples
(View Complete Item Description)The goal of this task is to work on finding multiples of some whole numbers.
Material Type: Activity/Lab
Is It Center or Is It Variability?
(View Complete Item Description)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 aspects of the task and its potential use.
Material Type: Activity/Lab
Jog-A-Thon
(View Complete Item Description)The purpose of this task is to present students with a situation where it is natural to add fraction with unlike denominators; it can be used for either assessment or instructional purposes.
Material Type: Activity/Lab
Jon and Charlie's Run
(View Complete Item Description)The purpose of this task is to present students with a context where they need to explain why two simple fractions are equivalent.
Material Type: Activity/Lab
K.CC Finding Equal Groups
(View Complete Item Description)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
K.MD Longer and Shorter
(View Complete Item Description)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 * One of the student's shoes to use to compare to other items. * A bin of seven to ten commonly used classroom items, such as a glue bot...
Material Type: Activity/Lab
K.MD Which is Longer?
(View Complete Item Description)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
K.OA Dice Addition 2
(View Complete Item Description)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: Adding two numbers to make an equation. #### Materials * One pair of dice per student * A recording sheet for the activity. For example: #### Action Th...
Material Type: Activity/Lab
Lines of Symmetry For Circles
(View Complete Item Description)This is an instructional task that gives students a chance to reason about lines of symmetry and discover that a circle has an an infinite number of lines of symmetry. Even though the concept of an infinite number of lines is fairly abstract, fourth graders can understand infinity in an informal way.
Material Type: Activity/Lab
Lines of Symmetry For Quadrilaterals
(View Complete Item Description)This task provides students a chance to experiment with reflections of the plane and their impact on specific types of quadrilaterals. It is both interesting and important that these types of quadrilaterals can be distinguished by their lines of symmetry.
Material Type: Activity/Lab