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Rectangle Riddle

Find as many rectangles as you can that have a perimeter that is 4 units more than the number of square units in the area.

Eighteen Sides

Kayla drew 4 two-dimensional shapes. She counted a total of 18 sides. What 4 shapes might she have? How many answers can you find?

Replace the Shapes

Each of these symbols represents a number. Only one of the numbers is a whole number. What could the three numbers be?

Hint: A whole number is a number such as 0, 1, 2, 3....

Numbers on the Move

Use the numbers 1–9 to make the equation equal. You may use each number only once (you won't use them all).
What numbers can you use to make the equation equal?

______  ______  +  ______  =  ______  ______  -  ______

Money Matters

I have 45 cents. I have an odd number of coins. What combination of coins could I have?

Hint: An odd number can be divided into 2 equal groups with 1 left over.

Fill the Flower

How can you fill the flower with pattern shapes without any of the same shapes sharing a side?

  • The first 4 shapes have been placed for you.
  • If you use 2 of the same shape, make sure that their sides don’t touch each other. It’s okay if their vertices (corners) touch each other.
  • If you get stuck, remove some of the shapes and keep trying.

What’s Worth $1?

Tammy has 8 coins with a total value of $1. What coins might she have? Can you find more than one possible solution?

Stuffed Bookcase

Jada wants to know how many hardcover books she could fit in her bookcase. The bookcase is 4 feet wide and 9 inches deep. Each of the 3 shelves is 9 inches tall.

  • How many hardcover books, like the one Jada is reading, could she fit in her bookcase?
  • Can you find another way to arrange the books so more will fit?
  • Which arrangement do you think is better? Why?

Hosting A Bridges-Centered Family Math Event

Strategies for sharing instructional practices with families and explore opportunities to engage students, families and the community in mathematics using MLC resources.
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Classroom Packages by Grade Level

Each Bridges in Mathematics Second Edition classroom package includes printed Teachers Guides, manipulatives, games and activities, and access to the Bridges Educator Site.

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