Module 3b: Self-Check

Please find the following: 3/1000 + 2/100 + a/10 Assume "a" is a number between 0 and 9.

0.a23

How would you write "two and fifty-two hundredths" in decimal format?

2.52

How would you write 0.205 in expanded form?

2/10 + 5/1000

Suppose that we have a set of counters where 16 are red and 8 are yellow. Suppose that we group the counters into larger equal-sized groups of size 8 by color, can you find another fraction that is equivalent to 16/24?

2/3

Suppose that we divide each equal-sized part of the fraction 1/4 by 2, can you find another fraction that is equivalent to 1/4?

2/8

How would you write 24.325 in expanded form?

24 + 3/10 +2/100 + 5/1000

How would you write 0.032 in expanded form?

3/100 + 2/1000

Suppose that we divide each equal-sized part of 3/6 by 3, can you find another fraction that is equivalent to 3/6?

9/18

What is 1/4 + 2/3?

Eleven twelfths

To multiply fractions you must first find the least common denominator?

False

What is 3/8 + 1/4?

Five eighths

What is 3/4 divided by 3?

One fourth

What is 3/4 + 1/3?

Thirteen twelfths

What is 3/4 x 1/2?

Three eighths