Christmas Light Challenge

Sally is counting her Christmas tree lights.

• She has between 100 and 200 lights
• The number of her lights is a multiple of 5.
• The number is odd.
• The tens digit is also odd.

How many lights could Sally have? See if you can find all 5 possibilities.

Your solution is due on Monday.

Candy Cane Math Challenge

Prancer is passing out candy canes to 7 of his reindeer friends. He wants to give each friend an equal amount. He has 75 candy canes in all. How many candy canes will each reindeer receive and how many will be left over?

Show all your math thinking along with your sentence answer. Your solution is due on Monday.

Raffle Ticket Math Challenge

Each student in Grade Four was given 20 raffle tickets to sell to 
raise funds for their school. The price of each ticket is $1.50. 
If Olivia sold all her tickets, how much money did she raise 
for her school? If there are 25 students in grade 4, 
and they all sold all of their tickets, how much 
money was raised altogether?

This is a two-part question. Be sure to show your math thinking 
(adding, subtracting, etc.), along with sentences to answer BOTH
questions. A calculator may be used, but you still need to show
the numbers and operations you used. Your solution is due on Monday.

Money, Money, Money!

Alyssa emptied her piggy bank. She separated

the loonies, quarters, and dimes into piles.

One pile had 5 coins, one had 4 coins, and

one had 3 coins. Altogether Alyssa had $5.25.

Which coins did she have?

Submit your solution to Ms. Earl on Monday.

Be sure to explain your math thinking along

with showing your number work.

A Tower of Bears Challenge

Nikki has one red, two blue, and two yellow bears. She builds a

tower by stacking the bears one on top of another.

She must follow these rules:

1. No teddy bears of the same colour are next to each other.
2. The top teddy bear is not yellow.
3. The teddy bear in the centre is not red.
4. One yellow teddy bear is immediately below a red one.
5. The bottom teddy bear is not yellow.

What does the tower look like? Draw a picture to explain your thinking.

Your solution is due to Ms. Earl on Monday.

Candy Challenge

Hope you had a "Spook"-tacular Halloween!

How much candy did Billy get when he went trick or treating?

He has between 20 and 30 pieces. If he shares it equally between

himself and 1 friend, he will have one piece left over.

If he shares it equally between himself and 2 friends, there will be none

left over.

If he shares it equally between himself and 3 friends, there will be

three pieces left over.

Your solution is due to Ms. Earl on Monday morning. Be sure to

show all your math thinking and explain your problem solving strategies.

Field Trip Math Challenge

The fourth grade is going on a field trip to the 
Science Museum. There are 135 students, 8 teachers 
and 16 parents riding the buses to the museum. 
If a bus holds 45 people, how many buses must 
the school order for this field trip? 

Your solution is due on Monday. Be sure to show 
all your math thinking, not just your answer.

Age Challenge

Marty is ten years old. His grandfather is seven times his age.
Marty’s mother is half the age of his grandfather.

A) How old is Marty’s mother?

B) How many decades old is Marty’s grandfather?

Your solution is due on Monday. Be sure to show
your math thinking, not just your answer.

Weekend Math Challenge

Annual Fall Parade

It’s time for the annual school fall parade. The fourth grade
decides to march in a special formation this year. One person
walks in the first row, two people walk in the second row and
three people walk in the third row. This pattern continues on and on.

• If the whole fourth grade marches in 10 full rows, how many
students are in fourth grade?

• Use numbers, words, tables and/or pictures to explain how
you know your answer is correct.

Thanksgiving Math Challenge

Jack was scared as he knocked on the door. A low voice said,
"Before I open the door, you must say the secret number."

Here are some clues:

• It is greater than 275.
• It is less than 325.
• If you count by 5's, you say its name.
• It can be divided evenly by 3 and 9.

What is the secret number? Write your answer and name
on a piece of paper and give it to Ms. Earl on Tuesday.
Happy Thanksgiving!

A Growing Math Challenge

Magic Plant
On Friday at 9 am, the magic plant was only 2 centimetres tall.


Every twenty four hours, it doubled its height.


How tall was it on Monday at 9 am?

Your solution is due on Monday. Be sure to show all your math thinking.

Riddles Challenge

Can you solve these riddles?

Here's an example: 365 D in a Y = 365 days in a year

Now it's your turn.

1. 24 H in a D

2. 2 W on a B

3. 26 L in the A

4. 52 W in a Y

5. 100 C in a M

Your solutions are due to Ms. Earl on Monday. Good Luck!

Would You Rather? Math Challenge

Would you rather work for seven days at $20 per day or work the first day for
$2 and have your salary double every day for a week?

Show your solution and explain your thinking. Solutions are due on Monday.

Magic Square Math Challenge

Magic Squares are fun! Why?

• All the rows add up to same the sum.
• All columns add up to same the sum.
• Both diagonals add up to the same sum.
• All of these sums are the same!

Here's your challenge for the weekend. Fill in the missing numbers to complete the Magic Square:

Off to a Great Start!

4C is off to the races! We've had a busy week of organizing the classroom, learning routines, getting to know each other, and having fun! We have 25 eager learners and 1 excited teacher in Room 1.37. We will be very busy in the coming weeks. Stay tuned for more updates!