Decimals
Estimate
Problem Solving
Vocabulary
Patterns and Operations
100
In the number 429.83, what digit is in the tenths place?
8
100

36 x 8

360

100
A pretzel factory makes 148 pretzels an hour. About how many pretzels can it make in 4 hours?
About 400 pretzels
100

Ordered Pair

Shows the position of a point on a coordinate plane.

100
What is the rule for the number pattern below: 4, 16, 64, 256
Multiply 4
200
What is the expanded form of 542.04?
500 + 40 + 2 + 0.04
200

4.15 x 10

41.5

200
At the store, Jim bought a soda for $1.98 and a bag of chips for $0.85. If he pays with a $5.00, how much change will he receive?
$2.17
200

Order of Operations

Set of rules that tells which operation to do when evaluating an expression.


200

divide 18 by 3, and then add 4

18 / 3 + 4

300
At noon the temperature in Philadelphia was 56.02 degrees. By 2:00, the temperature dropped 6.8 degrees. What was the temperature at 2:00?
49.22 degrees
300

55.7 / 1,000

0.0557

300
On Monday, Mrs. Fields made 80 cookies and on Tuesday she made 64 cookies. She wants to give cookies to her 3 friends. If she gives each friend the same amount of cookies, how many cookies will each friend receive?
48 cookies
300

What does PEMDAS stand for?

Parentheses, Exponent, Multiplication, Division, Addition, Subtraction

300

compare the numerical expressions

Expression 1          Expression 2

12 x 2                      (12 x 2) x 2

Both expressions contain 12 x 2.  

The second expression the product is multiplied by 2 so expression 2 is twice as large as expression 1.

400
Jackie is trying to find the product of 5.67 and 2.3. What is the answer?
13.041
400

8.34 x 3.14

24

400
A marathon race lasts 26.2 miles. Casey has ran 6 marathons in her life. About how many total miles has Casey run?
156
400

x- coordinate

The x-coordinate is the first number in an ordered pair along the horizontal axis.
400

10 + (25 / 4)

10 + (16 / 4)

10 + 4

14

500
Which answer choice below shows decimals in order from least to greatest: A. 5.6, 5.07, 5.3, 5.01 B. 14.9, 14.88, 14.87, 14.2 C. 34.32, 34.2, 34.19, 33.9 D. 18.6, 18.62, 18.70, 18.8
D. 18.6, 18.62, 18.70, 18.8
500

0.13 x 0.74

0.07

500
Jordan made $140 over the weekend. He spent $64 on a new outfit. He then spent the rest of his money on two video games. How much did each video game cost?
Each video games costs $38.
500

Numerical Expression

A combination of numbers and at least 1 operation.

500

Solve the expression:

subtract 5 from 13 and then add the product of 3 and 7

(13 -5) + 3 x 7

8 + 21

29

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