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Geometry
Fractions
Story Problems
Math Riddles
100

676 ÷ 4

What is 169

100

An angle that is 1 to 89 degrees

What is an acute angle

100

1/4 ___ 2/8  

2/6 ____ 1/5 

What is = 

What is >

100

A warehouse stored 8,570 boxes of teddy bears.  If 3,684 boxes were shipped out, how many boxes are left in the warehouse?

What is 4,886

100

I am an odd number.  Take away a one letter, and I become even. 

What is Seven (remove the "S" to "even")

200

5,876,937- 564,378 =

What is 5,312,559

200

What does a line segment look like?

See answer from Mrs. Mettler

200

3/6 + 5/6 + 1/6

What is 9/6 or 1 3/6

200

The library had 5,867 books.  They checked out 1,754 books in the morning and received a new shipment of 1,865 books in the afternoon.  How many books does the bookstore have now?

What is 5,978

200

Pick any number.  Multiply it by 2.  Add 10. Divide by 2.  Subtract your original number. 

What is 5.

300

2,123,059 + 4,345,428

What is 6,468,487

300

What are 2 lines that never touch

What is a parallel line 

300

Find the equivalent fraction

2/6 

12/16

What is

1/3

3/4

300

Gabriella's school has 17 classrooms.  Each classroom has 21 students.  The students are divided into groups of 4 for an activity.  How many full groups can be formed, and how many students will not be in a group?

What is 89 groups and 1 left out student.

300

What three numbers give the same result when you add them and when you multiply them? 

What is 1, 2, and 3

400

4?8 x 53 = 24,804 

What is ?=6 

400

Draw three quadrilaterals.

Answers Vary

400

 7 X 2/3 

What is 4 2/3 or 17/3

400

For a class party, the principal bought pizzas. There were 20 pizzas to start with.  During lunch, students ate 5/10 of the pizzas. Later that afternoon, another group ate 2/4 of the remaining pizzas. How many pizzas were eaten in total?

What is 15 pizzas

400

Five snacks -- apple, cookie, chips, yogurt, and banana

Clues: 

The banana is first.  

The cookie is somewhere after the apple. 

The yogurt is in the middle.

The chips are not next to the banana.

The order is?

What is Banana, Apple, Yogurt, Cookie, Chips

500

624,435,678 + 344,579 = x + 102,464,326

X = ?

What is 522,315,931

500

Draw a right triangle, iscoceles triangle, and an equilateral triangle.

Answers Vary

500

Draw a number line with these numbers in order.

.83  1/2  8/6  2/6  18/9 1.68 1/3

What is the number line

500

First, find the mistake made.  Then, explain why the method used was incorrect and how to correctly solve the problem.  Finally, solve the multi-step word problem correctly.


Harper is organizing chairs for a private Taylor Swift concert.  She sets up 28 rows of chairs with 12 chairs in each row.  Then she adds 87 more chairs at the back of the room for extra guests. 

Her sister, Gabriella, says:  “Harper set up 40 chairs, and with the 87 extra, there are 127 chairs total.”

Can you find Gabriella’s mistake?  Explain why her thinking is incorrect.  Then show the correct way to solve the problem.

What is 28 X 12 =336 + 87 = 423

Not 28+12+87

500

Today is Wednesday. What day will it be in 100 days?

What is Friday (100 ÷ 7 = 14 weeks +2 days -> Wednesday + 2 = Friday)

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