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L. Karagozian / Performance & MARS Tasks

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Students will be asked to solve problems using strategies that include the modeling of multiplication using arrays and relating these models to mathematical equations. Students will solve problems that involve multiplying whole numbers by multiples of 10, and provide an argument with evidence to solve a problem.

Source: CORE, California Education Partners (CAED)

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Performance Tasks - Grade 3 - CCSS Math Activities

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Students will be asked to solve problems using strategies that include the modeling of multiplication using arrays and relating these models to mathematical equations. Students will solve problems that involve multiplying whole numbers by multiples of 10, and provide an argument with evidence to solve a problem.

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Foundations of Multiplication & Division

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Foundations of Multiplication & Division

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This Make Math Moments Lesson was designed to spark curiosity for a multi-day unit of study with built in purposeful practice, number talks and extensions to elicit and emerge strategies and mathematical models.

Dig into our other units of study and view by concept continuum, grade or topic!

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Grass Is Greener [Day 1] | Investigating The Area of a Rectangle | 3 Act Math

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Use the row and column structure of the array to determine the area of a rectangle through the context of laying sod in order to generalize a formula.

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Snack Time! | 5 Lesson Problem Based Math Unit | Division, Ratios and Rates

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Problem based math lesson involving dividing whole numbers through partitive division resulting in a fractional amount; dividing ratios to reveal a rate.

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Sowing Seeds | Dividing Whole Numbers | 5-Day Problem Based Math Unit

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Show students the following video: Then, ask students: Give students 60 seconds (or more) to do a rapid write on a piece of paper. Replaying the video and/or leaving a screenshot from the video up can be helpful here. Then, ask students to share with their neighbours for another 60 seconds.

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How Many Cookies? [Day 1] Subtraction Within 100 Real World Math

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Munch on this unit of 3 Act Math Task lessons focused on solving addition and subtraction problems within 100 using place value strategies.

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Act 1 - Piles of Tiles Download the Task Watch the Video: How many tiles are in the bag? Estimate Are there enough tiles to cover the entire table? Act 2 T...

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Act 1 - Knotty Rope Download the Task Watch the Video: How many knots will fit on the rope? Estimate Write an estimate you know is too high. Write an estimate you know...

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standard: 3.MD.2
Download the Task
Watch the video

How many unifix cubes will it take until the balance is level? Estimate

Write an estimate you know is too high. Write an estimate you know is too low.

Estimate the orange's weight in grams. Estimate the cube's weight in grams.

For the doubters...here's the real time video.
The Picture Reveal Click the link here to find more of My 3-Act Lessons

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standard: 3.MD.2 Download the Task Watch the video How many unifix cubes will it take until the balance is level? Estimate Write an estimate you know is too high. Write an estimate you know is too low. Estimate the orange's weight in grams. Estimate the cube's weight in grams. For the doubters...here's the real time video.

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Act 1 - Paper Cut Download the Task Watch the Video: Which piece of paper has a greater area? Explain your reasoning Act 2 DImensions of colored paper Dimensions o...

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Act 1 – Fruit & Nut Download the Task Watch the Video: What do you notice? What do you wonder? How many small squares of chocolate are in a whole Fruit & Nut bar? Too hi…

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Download the Task
Watch the Video:
What do you notice? What do you wonder?

How many bricks will it take balance out the seesaw? Estimate.

Write an estimate you know is too high. Write an estimate you know is too low.

Weight of a Brick Weight of the Girl
Click the link here to find more 3-Act Lessons

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Act 1 - Seesaw Download the Task Watch the Video: What do you notice? What do you wonder? How many bricks will it take balance out the seesaw? Estimate. Write an estimate you k...