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Results for arithmetic

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- An apple a day: Understanding halves and simple addition
- This is a hands-on lesson which uses apples to introduce the concept of "half" and to teach simple addition. This lesson was taught to a group of 1st grade EC students.
**Format:**lesson plan (grade K–1 Mathematics)- By Janet Acorn.

- An average autumn
- This lesson will be a review of skills for calculating mean, mode, median, and range of a set of numbers to be created by the students. It will result in a seasonal display for the classroom or school-wide bulletin board.
**Format:**lesson plan (grade 4–6 Mathematics)- By Scott Counce.

- Candy math
- Unit on reviewing Math skills. The unit will take 20 minutes per day for 6 days. A good activity for late spring.
**Format:**lesson plan (grade K–1 Mathematics)- By Tammy Sharpe.

- Color-coded time
- This lesson introduces telling time to the minute using the analog and digital clocks. The hands are color-coded to assist with hour and minute hand discrimination. The student will use the time on the digital clock, which can then be transferred to the more difficult analog clock.
**Format:**lesson plan (grade 2–3 Mathematics)- By Anne Clodfelter.

- Design technology: Children's engineering
- This unit includes design technology projects linked to major themes in engineering. All the lessons and activities support national and state standards. They include materials lists, procedures, student data sheets, and assessment strategies. The lessons vary in grade level and can be modified up or down.
**Format:**lesson plan (multiple pages)

- Domino fun!
- Students will use a domino turned vertically and count the dots in the top section and the dots in the bottom section and add the 2 numbers together and write an equation. Students can make a domino to eat.
**Format:**lesson plan (grade 1 Mathematics)- By Lydia Wilson.

- Eco-packaging
- In Design technology: Children's engineering, page 1.5
- Environmental issues are often at odds with commerce. In this lesson, students balance the need for secure packaging with environmental and economic concerns. They will work together to create mailing packages for a fragile substance and evaluate their results once the package travels through the postal system.
**Format:**lesson plan (grade 5 Mathematics and Science)- By Erin Denniston.

- Friendship addition
- This lesson introduces students to the concept of basic single digit addition.
**Format:**lesson plan (grade K Mathematics)- By Jennifer Barbee.

- Introduction to fact families: Addition (commutative property)
- Students will "invent" their own examples that demonstrate the commutative property of addition through hands-on activities.
**Format:**lesson plan (grade K–1 Mathematics)- By William Krupicka.

- Let's trade (regrouping to subtract)
- This word (trade) will introduce regrouping to subtract by allowing students to "trade" manipulatives to regroup.
**Format:**lesson plan (grade 1–2 Mathematics)- By Sarah Cole.

- M&M madness
- Students will explore fractions, decimals, percents, and circle graphs with M&M's.
**Format:**lesson plan (grade 5–6 Mathematics)- By Donna Reble.

- Make math "bear"-able
- The students will use teddy bear counters to explore addition and subtraction facts (1-10). Students will demonstrate an understanding of ordinal numbers by locating the position of their counters on their workmats.
**Format:**lesson plan (grade K–1 Mathematics)- By Nikki Gilmore.

- Making change to $1.00.
- In this lesson students will work in small groups making change to $1.00 using coins and pictures of items priced from Sunday fliers. In advance the teacher will cut out pictures of items costing less than $1.00.
**Format:**lesson plan (grade 2 Mathematics)- By Julie Hohns.

- Making equal shares
- This activity is designed to connect literature and math. The students will use manipulatives and literature to reinforce the concept of equal sharing.
**Format:**lesson plan (grade 3 Mathematics)- By Tara Almeida.

- Marshmallow catapults
- In Design technology: Children's engineering, page 1.4
- Students will work in design teams competing for a contract to produce a marshmallow catapult for Target. Catapults will be assessed based on cost, performance, and appearance.
**Format:**lesson plan (grade 5 Mathematics and Science)- By Erin Denniston.

- Math in the White House
- This plan uses an online tour of the White House to reinforce the concept of tallying.
**Format:**lesson plan (grade K–1 Mathematics)- By Bunnie R. Brewer, Missy Colborn, Kathy Hale, Kim Roberson, and Emily White.

- Money counts
- Lesson introducing counting money and making change.
**Format:**lesson plan (grade 2 Mathematics)- By Angie Horne.

- More or less
- This lesson contains a series of activities on more or less. These activities can be used over several days or combined into a one-day lesson.
**Format:**lesson plan (grade K Mathematics)- By Sarah Owens.

- Number combinations
- Students will use green and blue craft pom-poms to explore number combinations to five.
**Format:**lesson plan (grade K Mathematics)- By Beth Deyton.

- One Grain of Rice
- One Grain of Rice is a mathematical folktale from India that covers the concept of doubling.
**Format:**lesson plan (grade 4–5 English Language Arts and Mathematics)- By Katherine Williamson.