Link N Learn T1 by boucharda on Genially

LINK 'N LEARN

2020-2021 REPLAY

5TH GRADE MATH

A. Bouchard

Term 1

Click to begin --->

Snapshot of Topics

Represent Decimals
Compare/Order/Round Decimals
Multiply Decimals
Divide Decimals
Prime/Composite Numbers

Next slide -->

Represent Decimals

Tips

Click on anything that moves!

try it!

+ info

The roller skate icon links you to a GAME to play! 🎮

The camera icon give you notes or a SNAPSHOT of info 📷

The headphones icon will link to a music video on the topic 🎧🎵

This box will give you more info on the topic

📄

This is where you can check your answers. Make sure to solve first, don't spoil it!

✅

Press Play ▶

Decimal Place Value

Learn about tenths, hundredths and thousandths

+ info

More info

Place Value Chart

Game On!

Identify Place Value Math Game

Place Value Game

Compare,

Order,

& Round Decimals

Press Play ▶

COMPARE, ORDER DECIMALS

< is less than

> is greater than

= is equal to

+ info

Game On!

TWO TRUTHS AND A LIE

1. 45.01 > 45.009

2. 12.782 rounded to the nearest hundredth is 12.77

3. 34.2, 33.08, 33.013 are in order from greatest to least

Click here when done --->

CAN YOU SPOT THE LIE?

1. TRUTH! 45.01 > 45.009

2. LIE! 12.782 rounded to the nearest hundredth is 12.77

(12.782 ROUNDED TO THE NEAREST HUNDREDTH IS 12.78)

3. TRUTH! 34.2, 33.08, 33.013 are in order from greatest to least

34.2 <---greatest

33.08

33.013 <---least

Multiply

Decimals

Press Play ▶

MULTIPLYING DECIMALS

Watch the first 4 minutes ⌚

+ info

Game On!

Would you rather....

A. Get paid $55.40 for every year you have been alive

B. Receive $85.41 each day for a week

click here!!

Click to check -->

Multiply Decimals and Whole Numbers

Who Wants to be a Hundredaire

Which one sums up the steps of multiplying decimals the best?

A. Always line up the decimals and bring the decimal down into the product

B. Line the digits up on the left side

C. Put the shortest number on the top, longest number on the bottom

D. Move your decimal out and then move it back into the product the same number of spaces

Drumroll, please

🥁

D. Move your decimal out, then in!

34.3 x 2.2 would have 2 decimal places in the answer (product)

A. If you are 10 years old, you would get $554

If you are 11 years old, you would get $609.40

B. $85.41 x 7=$597.87

So, if you want more money, choose wisely!!!

😁🧠

Divide

Decimals

Press Play ▶

DIVIDING DECIMALS

Does McDonald's serve burgers rare?

+ info

Game On!

Oops, I made a mistake!

Find the error:

You and 3 friends find $36.24. How much will each person get if you split it equally?

Step 1: Divide 36.24 by 3

Step 2: Make sure to bring the decimal straight up

Step 3: Follow DMSBR (➗✖➖⬇🔄)

Step 4: Quotient is $12.08

Check! -->

What is 364 divided by 4?

Remember Dad, Mom, Sister, Brother, Rover

Write it!

D➗ Divide: does your divisor fit into first digit of dividend?

M✖ Multiply: Divisor times digit you put on the roof

S➖ Subtract: Digits in dividend and product

B⬇ Bring down next digit

R🔄 Repeat OR Remainder

D: Does 4 fit into 3? NO!

D: Does 4 fit into 36? YES!

M: How many times? 9! 4X9=36

S: Subtract 36-36 = 0

B: Bring down the 4

R: Repeat!

D: Does 4 fit into 4? YES!

M: How many times? 1

S: Subtract

B: Nothing to bring down, no remainder. Done! 364➗4=91

Division with Decimals

Oops! The divisor should be 4 since "You and 3 friends" found the money. 36.24➗4=$9.06.

Prime &

Composite

Numbers

Press Play ▶

Prime or Composite

A prime number is only divisible by 1 and itself. A composite number has at least 3 factors.

+ info

Prime and Composite

Factorization Video

Game On!

Find the imposter

🔎What do you notice? Which number is the imposter and why?

-Use these sentence helpers:

"I notice..."

"The imposter is __________ because _________"

❗EXPLAIN and DEFEND who the imposter is by answering the questions above.

click here when done -->

Possible answers:

-I notice 9, 45, and 81 are all composite numbers, so I think 29 is the imposter because it is prime.

-I notice 9, 45, and 81 are all multiples of 9, so 29 is the imposter.

-I notice 29, 45, and 81 have tens and ones, so 9 is the imposter because it is a single digit.

-I notice 29, 45, and 81 each have an even number as a digit, but 9 has only an odd digit.

Discuss other options with someone else. Do they agree with you?🤔🧠😁

Prime Rhyme

Finding numbers that are prime

Takes very little time

Keep the 2 and name him Steven

Cross out numbers that are even

Circle 3, keep 5 alive

Then cross out skip counting fives,

Add the digits up and see

Cross out any multiple of 3

X out 1 and 77,

91 and 49

Anything that’s left is PRIME

(Try it: follow the directions in the rhyme and circle all PRIME numbers)

https://www.ccboe.com/schools/jenifer/images/pdfs/100Chart.pdf

Oops! The divisor should be 4 since "You and 3 friends" found the money. 36.24➗4=$9.06.

Replay Recap

Line up and stack decimals to add, subtract, compare

Bring the decimal down like you

just don't care!

Joke of the day

I used to not like math, but decimals have a point.

🤔😁

💪Good mathematicians always pay attention to PLACE VALUE

Great job!

Link N Learn T1

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Transcript