# Activities

• ##### Download

• • ##### Subject Area

• Math: Elementary Math: Algebraic Thinking
• Math: Elementary Math: Number Operations

• ##### Author K-5

60 Minutes

• ##### Device
• TI-10
• TI-15 Explorer™
• ##### Other Materials
This is Activity 4 from the EXPLORATIONS Book:
Uncovering Math with Manipulatives, the TI-10, and the TI-15 Explorer

The following materials are required for this activity:
• Pencils
• Cubes, sticks, etc.

Remainder Rules

#### Activity Overview

Students use calculators, whole-number division, multiplication, addition, and subtraction to generate mathematical expressions that describe the relationships between dividends, divisors, quotients, and remainders.

#### Before the Activity

• See the attached PDF file for detailed instructions for this activity
• Print student activity sheet pages 1 - 5 from the attached PDF file for your class
• #### During the Activity

Distribute the pages to the class.

Follow the activity procedures:

• Determine how many carnations to order and what size bunches to make, to have five carnations left over
• Use calculator, counting cubes, and counting sticks to explore solutions
• Use the data to describe the relationship between the dividends and divisors that result in the remainder 5
• Use words, numbers, and operation symbols to describe the patterns
• Repeat the activity to determine the number of flowers to order to make bunches of 8 flowers without having any flower left
• #### After the Activity

• Review student results
• As a class, discuss questions that appeared to be more challenging
• Re-teach concepts as necessary