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#### 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 The Very Hungry Caterpillar by Eric Carle The students work individually or in pairs. Each student or pair needs: Three ten-frames for each s...

#### Subjects:

• Mathematics > General
• Education > General

#### Keywords:

Informal Education,Early Elementary,Grade 1,NSDL,oai:nsdl.org:2200/20131110173459595T,NSDL_SetSpec_ncs-NSDL-COLLECTION-000-003-112-103,Elementary School,Vocational/Professional Development Education,Mathematics,Education

English

#### Access Privileges:

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Update Standards?

#### CCSS.Math.Content.1.OA.A.2: Common Core State Standards for Mathematics

Solve word problems that call for addition of three whole numbers whose sum is less than or equal to 20, e.g., by using objects, drawings, and equations with a symbol for the unknown number to represent the problem.

#### CCSS.Math.Content.1.OA.C.5: Common Core State Standards for Mathematics

Relate counting to addition and subtraction (e.g., by counting on 2 to add 2).

#### CCSS.Math.Content.1.OA.D.7: Common Core State Standards for Mathematics

Understand the meaning of the equal sign, and determine if equations involving addition and subtraction are true or false.

#### CCSS.Math.Content.1.NBT.B.2: Common Core State Standards for Mathematics

Understand that the two digits of a two-digit number represent amounts of tens and ones. Understand the following as special cases:
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