Topic

Activities about ratio

Lots of Cranberries
Lots of Cranberries

 The harvest must be nearing completion now and growers are selling their product to make cranberry juice, jelly, sauce, and of course, fresh berries in time for...

Geometry Math and Food Grades 5–8
Hurricanes, Typhoons, and Cyclones
Hurricanes, Typhoons, and Cyclones

Graphic from http://lagoon-inside.com [ This week Hurricane Fiona caused major damage to Puerto Rico, the Dominican Republic and the Caribbean, This is the season for increased cyclonic activity...

Algebra Number Sense Grades 7–HS
Mallie's latest Big Burger
Mallie's latest Big Burger

It's time to treat your students to ratios, proportions, fractions and BIG BURGERS! In this activity students explore the ratio of the various ingredients in the world's largest...

Algebra Number Sense Grades 5–7
How old are you?
How old are you?

We usually give our ages in years, but that isn't very precise is it? In this activity students find their age in days, hours and minutes. First students...

Algebra Number Sense Grades 4–6
What time should I wake up?
What time should I wake up?

I'm going to surprise my mom with breakfast in bed for Mother's Day. She wakes up pretty early. When do I have to wake up to pull this...

Number Sense Math and Food Grades 3–6
How big of a crepe can you make?
How big of a crepe can you make?

At Costco you can buy this huge tub of n utella . It contains nearly 7 pounds of chocolaty-hazelnut spread. We use n utella to make banana/n utella...

Algebra Number Sense Grades 5–8
Mardi Gras, 2023
Mardi Gras, 2023

Updated for 2023! Tuesday, February 21, 2023, will be the day before Ash Wednesday and the start of the season of Lent. Mardi Gras is a last hoorah...

Algebra Number Sense Grades 5–7
Crazy Twos (Two to the…s)
Crazy Twos (Two to the…s)

Let your students practice manipulating exponents. Multiplication, division, roots, powers of powers. This powerful activity asks them to do some impressive mathematics in their heads. We give students...

Algebra Number Sense Grades 7–HS
Cold NFL games
Cold NFL games

There have been some pretty cold football games. How do you suppose the frigid temperatures affect the success or failure of the teams that are involved? Do teams...

Algebra Number Sense Grades 5–8
Shopping season already!
Shopping season already!

We used to see holiday sales right after Thanksgiving but, surprisingly, holiday shopping has already begun. Sales are advertised everywhere. Students will be able to add some understanding...

Number Sense Math and Social Studies Grades 5–8
That's a big tomato!
That's a big tomato!

These Aussi tomatoes (the tomato on the left of all of the tomatoes) are huge. How much do you guess one weighs? Can you figure it out?

Algebra Number Sense Grades 6–HS
AQI - Air Quality Index
AQI - Air Quality Index

The AQI is a measurement of how much particulate matter, dangerous ozone, carbon monoxide, nitrogen dioxide and sulfur dioxide there is in the world's atmosphere at any one...

Number Sense Math and Science Grades 5–HS