Download - Welcome to Math Marvels

Transcript
Page 1: Welcome to  Math Marvels

Welcome to Math Marvels

Page 2: Welcome to  Math Marvels

Number of the Day

What are your problems?

The answer is

Page 3: Welcome to  Math Marvels

Silly Symmetry Sequence

 

                                                              

Look carefully at the shapes above. What do they represent?

 

 

Page 4: Welcome to  Math Marvels

Silly Symmetry Sequence

 

                                                              

Look carefully at the shapes above. What do they represent?

 

 

Symmetry

Hint

Page 5: Welcome to  Math Marvels

Keep Pedaling

 

• Apple Lake Bike Shop has a total of 32 bicycles and tricycles for rent.

                          

Page 6: Welcome to  Math Marvels

Keep Pedaling

 

• 32 bicycles and tricycles

• The shop owner checked all 74 wheels at the beginning of the season to make sure they were in good condition.

 

Page 7: Welcome to  Math Marvels

Keep Pedaling

 

• 32 bicycles and tricycles

• 74 wheels

• None of the bikes had training wheels 

How many of them are bicycles

and how many are tricycles?

Page 8: Welcome to  Math Marvels

Keep Pedaling

Bikes Wheels Trikes Wheels Total

2 4 2 6 10

3 6 5 15 21

Hint

Page 9: Welcome to  Math Marvels

Keep Pedaling

 

• 32 bicycles and tricycles

• 74 wheels

• None of the bikes had training wheels 

How many of them are bicycles

and how many are tricycles?

Page 10: Welcome to  Math Marvels

School Fair

 

  Step right up and guess the number of candies in the jar!

Page 11: Welcome to  Math Marvels

School Fair

 

  Three people have already guessed, and their guesses are

315 350

327

Page 12: Welcome to  Math Marvels

School Fair

 

Now here's the big clue:

• One of the guesses is off by 26,

• one is off by 14, • and one is close, but off

by 9

How many candies are in the jar?

315

350

327

Page 13: Welcome to  Math Marvels

School Fair 327

Hint

What if I start with

315

350+26 = 376

Can I “+” or “-” 14 from another guess to get 341?

How about 350-26 = 324?

350

Page 14: Welcome to  Math Marvels

School Fair

 

Now here's the big clue:

• One of the guesses is off by 26,

• one is off by 14, • and one is close, but off

by 9

How many candies are in the jar?

315

350

327

Page 15: Welcome to  Math Marvels

Mystery Number• I am a 4-digit number • No two digits the same. • My ones digit is twice my thousands digit • My ones digit is one less than my tens

digit. • My hundreds digit is the difference

between my tens digit and my thousands digit.

• My thousands digit is an odd number less than 6

What Number am I?

Page 16: Welcome to  Math Marvels

Hint

1 2 3 2

•No two digits the same.

Page 17: Welcome to  Math Marvels

Mystery Number• I am a 4-digit number • No two digits the same. • My ones digit is twice my thousands digit • My ones digit is one less than my tens

digit. • My hundreds digit is the difference

between my tens digit and my thousands digit.

• My thousands digit is an odd number less than 6

What Number am I?

Page 18: Welcome to  Math Marvels

Math Jokes?

Page 19: Welcome to  Math Marvels

Thanks for playing Math Marvels