# Tag: 5.NBT

## Gonna be a Leap Year

This year we will add the 29th of February to our year?  Why do we do that?  How can you tell?  What if we didn’t add a day every 4 years? Calendar math and flow charts.

## Star Wars … the story continues

The Rise of Skywalker will open on December 20, 2019.  How much did it cost to make?  How much will it gross? Is the Star Wars phenomena a guarantee for success?  How would you compare these movies? We’ve been gathering data…

## How should I cook my turkey?

Bake it, deep fry it or barbecue it? When do I have to wake up to begin preparations? How long will the cooking take?  How much will it cost?  How many can I feed?

## Operation Gratitude – Halloween candy buy back

This is a great idea! Motivate kids to get rid of all of that candy for a good cause. Operation Gratitude and dentists are encouraging healthy eating, motivated giving, and offering a good use for all of that leftover candy.…

## Does it pay to get educated?

Updated! Why should students do well in school, graduate high school, or go on to college?  In this activity median earnings by various education levels are explored.  Students compare the earnings of a non-high school grad with workers who graduated…

## How can Nike give away so much great stuff?

Worldwide Nike supports many teams and athletes.  They design, manufacture, and supply gear for almost every sport imaginable. How much are those give-aways worth?  Is the company going to go broke? Probably not.  Nike is huge. In this activity we…

## Macy’s Thanksgiving Parade 2019

﻿﻿ As we get ready for next week’s holiday, students can study a map of the annual Macy’s Thanksgiving Day parade, describe, measure and hypothesize why this route was chosen and then calculate how long each band will be marching…

## Impress your parents at dinner

This activity is the first in our series on mental math tricks.  Let your students develop their own individual way of mentally multiplying by 0.5, 5, 50, 500, and so on.  We have a little practice and a requirement for…

## Will Damarious Randall have to pay big?

Warriors won the NBA Championships.  Randall won’t have to buy jerseys! The Cleveland Brown’s safety player, Damarious Randall, posted this tweet.  Its been very popular and retweeted a lot.  How much might he have to fork out for jerseys?  Let’s…

## Who had the greatest NBA season ever?

Updated for 2019! In 2017 Russel Westbrook had one of the most dominating seasons ever, averaging a trip!e double per game.  James Harden lit up the league in 2018 and is considered the favorite for MVP.  Or what about Stephen…

## What me? Irrational?

We’ve found that some students believe that the approximation that their calculators show for irrational numbers is exact.  Here’s an activity that you can advertise as long multiplication review. After they study our calculations have a discussion just to clarify…

## Super Bowl ads and scientific notation

Let your students revisit and reflect on the interesting commercials with this scientific notation activity.
Students practice using scientific notation as they calculate the cost of Super Bowl commercials. After working with these incredible costs, students get to express their opinions about the ads and decide who the marketing was geared towards.

## Winter Olympics, PyeongChang: February 9 – 25

Scoring Ski jumping – The scoring rubric for each of the Olympic events is intended to eliminate the possibility of scoring bias from the judges. Let your students learn more about the scoring of one event and decide whether it seems fair…

## How many wings did the Bills send the Bengals?

On December 31st, 2017, the Cincinnati Bengals beat the Baltimore Ravens. The Ravens’ loss clinched the Buffalo Bills’ rise to the AFC playoffs.  The Bills sent a thank-you gift of Duff’s famous chicken wings and sides to the Bengals. Seems…

## Is this promo a good deal?

McDonald’s was offering an “Arch Card” special deal. If you bought an Arch Card for \$100 you were entitled to a free BigMac or EggMcMuffin every week for a full year. The card was only offered at some McDonald’s restaurants…