### Double Jenga [3 Act Task]

Let’s Build a 3-Act Math Lesson together. What could you do with this?

**3 Act Math Tip Sheet** to ensure that you have the best start to your journey using 3 Act math Tasks to spark curiosity and fuel sense making in your math classroom!

Let’s Build a 3-Act Math Lesson together. What could you do with this?

proportions

A yummy, belly aching activity that stretches proportional thinking across many grades levels.

Least Common Multiple

In this 3-Act Task students will be presented with a puzzling video of 3 “hour glass” sand timers. Students will solve a brain-teaser like problem while ultimately learning about common multiples and the least common multiple (LCM).

Modelling Data

This fall themed activity asks students to predict how many rubber bands will implode a pumpkin. Use data collected from over 120 exploded pumpkins and create scatterplots to make predictions.

Similar Triangles

Have your students experience similar triangles by getting them curious and out of their seats. Your students will prove and disprove why two people can or can’t see eye to eye in a mirror.

lesson planning

Things are warming up! Students will solve a proportion problem while you learn how to plan and ignite your moves!

linear relations

Students break out their devices and text away to discover the relationship between the length of a message and how long it takes to text it.

Optimization

This takes the classic maximizing the area of a rectangle problem and adds elements of curiosity and purposeful practice to help reveal the relationship.

proportion

How big are those holiday lights? How many lights will we need to string up. Use proportional reasoning to help answer these questions.

Liner Relations

This flipping active activity blends volume of cylinders with rates of change and linear relations.

Solving Linear Equations

A Hands-on activity is blended with interactive technology. Students begin with puzzles but ultimately create algebraic expressions and solve equations.

Volume

A yummy lesson where students use volume of cylinders and spheres to determine how many energy bites are made from a recipe.

Linear Systems

The classic two trains are approaching each other problem without the trains. Students will solve a system of equations to determine the answer to this 3-Act Math Problem.

linear relations

Promote literacy while learning math! Students calculate and track over time their words/min reading rate. Students will also explore the relationship between fast reading and comprehension.

Unit Rates

Let’s get a round of applause for this active lesson that asks students to use unit rates or proportions to see if they can beat the fastest clapper in the world.

Parallel Lines

Students explore properties of parallel lines & transversals. They will create parallel lines on the floor or outside with chalk, and finally use Explain Everything to answer problems.

Linear Systems

In this multi-strand lesson students will use estimate and calculate how many paper balls fit in a bucket. They then will race to see who can make more shots into the bucket in a minute.

Rates Ratios and Volume

When will a water balloon explode? How much water does it hold? Use proportions to help!

algebra

Finally teach collecting like terms and the distributive property with context! Find the perimeter and area of a counter top using only Doras!

like terms

Teach the need for collecting like terms through problem solving. How much does this order cost?

Unit Rates

Use unit rates to help make decisions in consumer gender issues. Is Lego charging more for Disney Princess kits vs. Star Wars kits?

linear

A rope magically shrinks! How many knots will make the rope a specific thickness?

exponential functions

An all-time favourite 3-act task from Nora Oswald! How are the points distributed along the flag pole in Super Mario?

Area of Rectangles

A rich area of rectangles problem with a sequel that extends into optimization.

linear relations

Students experience rates of change in a race to see who will eat the most popcorn.

Polynomial Functions

Crowd source the relationship between the volume of a box and the height of the box. Build boxes and use Desmos to investigate.

Volume of Cylinders

Use linear relations to determine how many cups to fill a jug of water with an object inside.

Modelling

Does the cost of wait time in the game Clash of Clans follow a linear, quadratic, exponential, or other model?

Volume of Prisms

How many juice boxes will it take to fill Minnie’s Cup! Use Volume of prisms and cylinders.

Pythagorean Theorem

Students use the Pythagorean Theorem to find the length of rope.

Scatterplots

A inquiry activity with a little competition. Who can get their car to the finish line closest without going over? Use lines of best fit

**3 Act Math Tip Sheet** to ensure that you have the best start to your journey using 3 Act math Tasks to spark curiosity and fuel sense making in your math classroom!

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