Chapter 1 test

Arrays

100

## ## ## ##

Draw an array for the expression 4 x 2

200

3 x 6 = 18

Write an equation for the following array: $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $

300

rows= horizontal columns= vertical

rows are horizontal or vertical in an array? columns are horizontal or vertical in an array?

400

%%%%%% ++++++++ %%%%%% ++++++++ %%%%%% %%%%%% %%%%%% %%%%%%

I have 36 cupcakes. I want to arrange them in an array that has at least four rows with at least 4 cupcakes in each row. Draw me a possible array:

Vocabulary

100

The maximum- the minimum

What is the range?

200

After numbering the numbers from least to greatest it is the middle number.

What is the median and how do I find it?

300

2 numbers that can be multiplied together to find the product.

What is a factor pair?

400

Prime: a counting number that is greater than 1 and has exactly 2 factors. 1 and itself. Composite: a counting number greater than 1 that has more than 2 factors.

What is a prime number and what is a composite number?

Divisibility and Prime Factorization

100

yes

Is 75 divisible by 3?

200

2 x 2 x 2 x 3 x 2

What is the prime factorization of 48?

300

2^4 x 3

What is the prime factorization of 48 using exponents?

400

vary

Write a number between 300 and 400 that is divisible by 2, 3 and 5.

Exponents and Square Numbers

100

7 x 7

What is 7 squared as an expression?

200

4489

What is 67 squared?

Misc.

100

eight thousand nine hundred sixty five hundred and sixty five hundredths.

Write 8,965.65 in words.

200

720,000

What is 900 x 800?

300

3/4=.75=75%

What is 3/4 as a decimal and a percent?

400

6, 325.24

Write a 6-digit numeral with 4 in the hundredths place, 3 in the hundreds place, 6 in the thousands place, 5 in the tens place and 2 in all the other places. _,_ _ _. _ _