Names for 100

Author

Texas Instruments

Alignment

Standards Alignment

Textbook Alignment

Subject Area

Math: Elementary Math: Algebraic Thinking

Math: Elementary Math: Number Operations

Level

K-5

Activity Time

60 Minutes

TI Calculator

TI-15 Explorer™/TI-10

Other Materials

Pencils

Resource Types

Lessons

Report an Issue

Names for 100

Activity Overview

Students will use the calculator to carry out operations of addition, subtraction, division, and multiplication on integers, fractions, and decimals to find mathematical expressions that equal 100.

Before the Activity

See the attached PDF file for detailed instructions for this activity

Print student activity sheet page 31 from the attached PDF file for your class

During the Activity

Distribute the page to the class.

Follow the activity procedures:

Express 6 in several different ways - using different situations, whole numbers, addition, multiplication, and division

Find different expressions that total to 100

Use a calculator to record as many expressions as possible that total to 100

Compare the expressions and separate them into categories

Find operations used

Select one category and write more expressions that fit that category

Describe a real-life situation for one category

After the Activity

Review student results

As a class, discuss questions that appeared to be more challenging

Re-teach concepts as necessary

Download Files

Download All Files (ZIP)

Before the Activity Files

Teacher Notes PDF

Author

Texas Instruments

Alignment

Standards Alignment

Textbook Alignment

Subject Area

Math: Elementary Math: Algebraic Thinking

Math: Elementary Math: Number Operations

Level

K-5

Activity Time

60 Minutes

TI Calculator

TI-15 Explorer™/TI-10

Other Materials

Pencils

Resource Types

Lessons

Report an Issue

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