There is a lot of lumber in Humboldt County — here are some images to ramp up number talks around some real world math.

# K-5 Curriculum

## Plane Flight Mathematics

On a Cessna flight from an airport in Humboldt County I was inspired to develop a plane flight mathematics lesson — how far can a Cessna fly?

## Multiplication Area Model

We all need toilet paper, everyday! Let’s dive into how much it costs and how much we all might have in our houses using the multiplication area model.

## Marble Run Mechanics

A Kindergarten-Second Grade Exploration Activity Marble run mechanics can be introduced in several ways but I believe the best way is to just let the kids play for as long as it holds their attention. As they are creating various marble runs, move from group to group and provide challenges for them to create more […]

## Amusement Ride Mathematics

The Sky Trail is a gondola ride through the redwood forests in Del Norte County, near Redwood National and State parks. As we waited in line to board, we were pondering Amusement Ride Mathematics. A few facts for consideration: Passengers are picked up every 2 minutes Each passenger pays, on average, $10 for the ride […]

## Ecological Estimation

Ecological estimation is an important skill. It allows scientists to track population sizes, even when populations are quite large.

## Multiplication Arrays

The Lumberyard Use Multiplication Arrays to have your students calculate the number of boards in one stack, twelve stacks, and then estimate ALL BOARDS in the lumberyard using the video. Click image to download the worksheet. Extension: these are 2 ‘x 4′ x 12’ boards. How much are the stacks worth if each board is […]

## Designing Simple Vehicles

Designing simple vehicles combines science, technology, engineering, art, and math by challenging students to design vehicles that will travel the furthest. Measurement and Engineering Design Supplies: 1. Four wheels 2. Axil (to fit wheels plus straw to go over axil) 3. Car body (cardboard) 4. Clips or tape 5. Glue stick 6. Three pieces of […]

## Binary Number Basics

Duration: 55 Minutes Goal: To better understanding what the binary system is, how it is used, and how to use it. Objectives: Students will be able to identify binary numbers and what they represent. Students will be able to write out and decode binary numbers. Binary Numbers Printable Binary Number Table Binary Number Trick How […]

## Measuring in Kindergarten

Measure Up! Measurements in Kindergarten involve students identifying the attribute to be measured. Objects often have multiple attributes that are measurable. STANDARDS FOR MATHEMATICAL PRACTICE Make sense of problems and persevere in solving them. Construct viable arguments and critique the reasoning of others. Attend to precision. STANDARDS FOR MATHEMATICAL CONTENT MGSEK.MD. Describe several measurable attributes […]