# November Theme: Matter & Energy

Math and science may seem like separate subjects in school, but they are definitely inter-related when we talk about **matter & energy**, this month’s 12 Months of Math theme. Whether we are figuring out how much energy your cell phone uses, using a radioactive form of carbon to calculate the age of a skeleton, or using nanoscience to measure the size of atoms you can’t even see, math is needed to complete your scientific research. November’s 12 Months of Math activities are designed to provide concrete examples of math in energy and matter and to highlight the various STEM careers associated with understanding our physical world.

Thank you to this month’s sponsor:

## Parents’ Corner

### Math Talk

##### Topic:* Advantages of Adding*

Daily addition is an opportunity for family math talk. Often in math, the focus is on the answer, right or wrong. These are great opportunities to extend the conversation to include why? Take interest to ask and tell which strategies were used to get to each answer.

Take a look at a few of the mental math strategies below to better understand some of the strategies used most often. How do you add? Do you use the same strategy all the time? Which one does your child use?

## Mental Math Strategies

“Counting on” means that you start with one number, preferably the biggest number in the equation, and then count up. For example, in the equation 5+3, you start with the “5”, and then count up, “6, 7, 8.” This is to discourage students from counting like, “1, 2, 3, 4, 5…..6, 7, 8.” Students also need to be taught that if an equation looks like this: “2+6,” they still should start with the bigger number in this case “6” and count up “7, 8.”

Doubles are all around us; think of fingers and toes – 5+5, wheels on a car – 2+2, or the eggs in a carton – 6+6. When we learn “doubles” math facts well, they be become automatic.

Try thinking of things that come in doubles! What is the total that the double adds up to? How high can you go in a list of doubles starting with 1, then 2, etc: 1+1=2, 2+2=4, 3+3=6….

Doubles plus one, is simply doubles facts adding one for the next number. Example: 5+6, you know that 6 is one more than 5, and if 5+5=10, then 5+6=10+1. Just like all math facts, practice makes it easier.

Yes, memorizing the *Make “10” Facts* is important to develop math confidence. It’s similar to learning to spell simple words like “the.” The use of this mental math strategy will replace the need in most cases to “Count On.” Make “10” Facts are all the combinations of single digit numbers that when added together, equal 10.

1+9, 2+8, 3+7, 4+6, 5+5, 6+4, 7+3, 8+2, 9+1

To follow Make “10” Facts, it’s important to understand the carry over to making multiples of 10: 20, 30, 40, etc. With this strategy, you extend into 2-digit numbers. Example: 27+3; in this case, look at the ones digits and realize that 7 and 3 make 10, so 27 and 3 makes 30.

A few sites that offer fun ideas for adding: PBS-Kids, Math is Fun, SheppardSoftware, Education.com

## Events and Daily Activities

### Math in Matter & Energy Events

**Friday, November 3, 9am-3pm, &**** Saturday, November 4, 10am-2pm.**

12 Months of Math will have hands-on math activities for visitors at the 2017 Discovery Festival, a Big Brothers Big Sisters project. Sandia National Laboratories and Explora will have stations set up for visitors to experience Math in “Matter and Energy,” November’s theme.

The Discovery Festival will be held at the Albuquerque Convention Center, and is FREE to the public.

Learn more at **DiscoveryFestivalNM.com**

**New Mexico Electric Car Challenge**

**Saturday, November 18, 2017****8:30am-3:30pm**

The New Mexico Middle School Electric Car Challenge (formerly the NM Hydrogen Fuels Challenge) consists of a battery-powered model car race, design competition, as well as the option to compete in an oral presentation.

Van Buren Middle School

700 Louisiana Blvd. SE, Albuquerque NM

Learn more:**www.NMElectricCarChallenge.org**

### Daily Math Activities

## Career Connections

This month’s theme covers several industries including research, manufacturing, environment, and service. A hot topic for the last several years has been alternative forms of energy.

- Solar Energy – View Careers by DOE
- Wind Energy – View Careers by DOE
- Geothermal Energy – Learn more from Dept. of Labor
- Hydrogen Energy as used in fuel cells – View Careers by DOE
- Tidal Energy (water power) – Learn more about Tidal Energy
- Hydroelectric Energy – View Careers by DOE
- Biomass Energy (bioenergy) – View Careers by DOE
- View Careers at Sandia National Laboratories

*DOE – US Department of Energy

**12 Months of Math** is looking for math events and opportunities to engage New Mexico families. If you would like to share math information with us please fill in this contact form.