geometry
word problems
Number Sense
# riddles
+, -, x
100

How do you find perimeter?

side length + side length + side length + side length

100

Liam was playing with some Legos.  He used 40 Legos to build.  There were 10 left on the floor.  How many Legos did Liam begin with?

50 Legos

100

What is the next number in the following number pattern: 139,129,119,109, ___

 99

100

I have 4 sides and 4 angles. All my sides are the same length. What am I?

Square

100

23 - 7

16

200

How do you find area?

side length x side length

200

Juan found 6 books about sea-life at the library. He checked out 2 of the books. What fraction of books did Juan check out?

2/6

200

Is the number 63 even or odd?

odd

200

Which is the smallest 3 digit number?

100

200

346 + 78

424

300

What is the area of a square where each side is 3 ft.?

9 sq.ft.

300

AnnaLisa sold 8 cups of lemonade at her lemonade stand.  Each cup of lemonade sold for $2.  How much money did AnnaLisa make?

$16

300

Round 327 to the nearest ten

330

300

I am greater than 34, but smaller than 44. The sum of my digits is 12, what number am I?

39.

34 < 39 < 44

3 + 4 = 12

300

12 x 4

48

400

What is the perimeter of a rectangle where the length is 2 in. and the width is 4 in.?

12 in.

400

In the first five minutes of a bake sale, 36 out of 100 chocolate chip cookies had been bought. Write this as a fraction.

36/100

400

Write the standard form:

200+10+3

213

400

I am a 3d shape. 

I have 1 curved face and 1 flat face. 

Who am I

Cone

400

6 x 7

42

500

I need to find the perimeter of a pentagon. Each side length is 3 units. What is the perimeter?

15 units.

500

Sarah needs to drive her family to the movies. She has 6 seats available in her car, but 7 family members need a ride. Write this as a fraction.

BONUS: rewrite the fraction in a simplified form, where the denominator is the largest number.

7/6

BONUS: 1 1/6

500

What is the value of the 5 in this number: 2,561

500

500

I have 4 tens. I have 2 more ones than tens. I have 3 less hundreds than tens. What number am I?

146

500

If 7 x 2 = 14,

then 14 ÷ 7 = ?

2