EDM Unit 2 Review

Conversion

100

How many ounces are in 2 pounds?

32 oz

200

How many inches are in 3 feet?

36 inches

300

How many seconds are in 5 minutes?

300 seconds

400

How many ounces in 8 pounds?

128 oz

500

Johnny raced his friend Josh at recess. Johnny ran in 120 seconds and Josh ran in 3 minutes. Who ran faster?

Johnny ran faster by a minute

Multiplication

100

50x3

150

200

29x43

1,247

300

38x79

3,002

400

982x22

21,604

500

789x54

42,606

Division

100

98/2

49

200

525/5

105

300

729/3

243

400

7865/24

327 Remainder 17

500

6543/28

233 Remainder of 19

Powers of 10

100

Write 10,000 in products of 10

10x10x10x10

200

What is 10x10x10x10x10 in standard notation?

100,000

300

What is 10⁶ written in standard notation?

1,000,000

400

Write 100,000 in exponential notation

10⁵

500

Write 678 x 10³ in standard notation

678,000

Number Stories/Riddles

100

I am a 6 digit number

One of my 5's is worth 500, the other 5 is worth 1/100 as much

My 3 is worth 30,000

My 9 is worth 9,000

My 7 is worth 700,000 

My other digit is a 1

739,515

200

Jenny is baking cookies for the bake sale. She bakes 20 dozen cookies. How many total cookies did she bake? (Hint there are 12 in a dozen).

240 cookies

300

I am a 7 digit number

One of my 9's is worth 900,000 and the other 9 is worth 10 times as much

My 2 is worth 20,000

My 6 is worth 6,000

My 5 is worth 500

My other digits are 2

9,926,522

400

Chloe is filling up her new bookshelf. She has 78 books to put on her bookshelf. She has 5 shelves to fill up. How many books can she put EVENLY on each shelf.

She can fit 15 books evenly on each shelf and she will have 3 books left over.

15 Remainder of 3

500

Sarah is packing oranges into boxes. 489 oranges need to be packed into boxes. Each box holds 45 oranges. Sasha needs to pack all of the oranges into boxes. How many boxes does she need?

She will need 11 boxes to fit all of the oranges.