How much water should you drink? How much pee is in this pool? How has the presence of lyme disease changed? Which is the best drink deal at the fair?

# Tag: 7.NS

## Passover starts on Wednesday

## MLK and efforts towards racial justice

## Earth’s perihelion with the Sun

## Is 2023 a special number?

## Before the holidays (16 activities)

## The Algebra of Magic Squares

## Indigenous Peoples or Columbus Day

## Father’s Day, Juneteenth, and The Longest Day (summer solstice)

## Spider-Man continues

## Super Bowl Numerals

## What’s interesting about this number?

## Will one roll be enough?

## Extreme weather 2020

Use the open number line and our lists of temperature extremes to make signed number operations and absolute value sensible. Students compare record high and low temps (integers) and use absolute value in order to always find the positive difference. Subtraction of negatives becomes obvious in this lesson.