# Math

Math (X) - Professional (X)

## Geometry and Spatial Relations: It's a Perfect Fit (Part 1)

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Using this resource group, teachers can focus on the topic of geometry and spatial relations and, in particular, on identifying, describing, and classifying two-dimensional shapes. Students are challenged to duplicate two-dimensional shapes and sort a collection of shapes according to their attributes. This resource group is part of the Mathline Elementary School Math Project.

## PBS Parents | Full-Time Kid

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Meet Mya in this media gallery from PBS Parents FullTimeKid! She's a full-time kid and proud of it. Her job is sharing fun educational tricks, cute crafts, songs and surprises that kids and parents will enjoy.

## Switching Identities Congruent and Similar Shapes

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Intermediate, middle level, and adult actors in the Abracadabra series introduce students to the terms and meanings of same, different, similar, and congruent.  During the activities, K-2 students identify and work with congruent and similar shapes and discuss what happens when people are not who they appear to be.

## Blossom and Snappy Go to the Post Office | Count On It!

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Blossom and Snappy help Digit mail a surprise package to Robbie. They visit the post office and postal processing plant to see how it all works.

## Blossom and Snappy Redecorate, Pt. 1 | Count On It!

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Blossom and Snappy start to make a container garden in a cardboard box. The dirt seeps through onto Robbie's carpet so they go to the carpet factory to figure out the most cost-effective way to fix it. They also go to a home improvement store to buy the necessary supplies to make a real container garden.

## Blossom and Snappy Learn About Planning | Count On It!

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Robbie gets invited to a sporting event out of town for a few days. Blossom and Snappy decide to have their own event at Robbie's house while she's gone. They find out that planning for a meet is harder than they thought!

## Episode 209 - Blossom and Snappy Go to the Zoo, Part I | Count On It!

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Blossom and Snappy visit the zoo and compare the animals in many different ways including size and where they come from. They write thank you notes to Robbie for the bathrobes she made from them, but Snappy has a difficult time finishing his. Digit finishes Snappy's letter to Robbie, and Robbie thinks that Snappy wrote it.

## Using a Number Bond to Show Subtraction

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Number bonds show part, part, whole. Your child will use number bonds to solve take-away problems.

## Modeling with Tape Diagrams

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Tape diagrams are another visual strategy your child will learn to show addition and subtraction. If this strategy works well for your child, encourage her to use it when solving story problems!

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Use this fun example to compose 10 from numbers within 10. Agent Oscar shows agents how to combine gadgets to form the gadget they need.

## How to Feed the Hamster | Odd Squad

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Oscar needs to calculate the value of an unknown number in a subtraction formula in order to feed the Odd Squad hamster.

## Understanding Place Value

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A very important concept your child learns in 1st Grade is place value. Let's look at the number 13. What does 13 really mean? We can write 13 in a place value chart. Now we see that 13 is 1 ten and 3 ones. But what does "one ten" really mean?

## Zeros are Disappearing | Odd Squad

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Olive and Otto show what zeros mean in the ones, tens, and hundreds place when trying to track down the disappearing zeros.

## How to Deal with a Saffron Slimer | Odd Squad

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Oscar uses a pan balance to compare weights, and explains what you should do if you come across a Saffron Slimer.

## Training Video #42 - How to Deal with a Puffer Plant | The Odd Squad

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Learn about counting down time in this fun clip from the Odd Squad. Oscar explains what to do when you're puffed on by a puffer plant. At intervals during that one minute, very odd things occur!