Decimal/Order of Operations

Add/Subtract Decimals

100

5.06 + 16.25 =

21.31

200

7.4 + 3.9 =

11.3

300

13.202 - 8.939

4.263

400

23.5+0.258+0.25+0.362

24.37

500

Emma had $7.20 to spend at the Christmas Store. She bought a plane for 3.75, a ring for 1.30 and a pencil topper for 0.05. How much money does he have left?

$2.10

Power of 10 multiply/divide

100

3.64 x 10 =

36.4

200

4.761 x 100 =

476.1

300

536.7 ÷ 100 =

5.367

400

21.09 x 10³

21,090

500

0.409 ÷ 10⁴=

0.0000409

Multiply Decimals

100

0.5 x 4 =

2.0

200

3.4 x .9 =

3.06

300

55.2 x 12.4

684.48

400

0.012 x 0.25 x 32.1 =

0.0963

500

Lynn went to the coffee shop to buy coffee beans. She purchased 3.9 pounds of her favorite blend. This blend cost $4.50 per pound. How much did the coffee beans cost?

$17.55

Divide Decimals

100

4.4 / 0.4 = 

11

200

 0.96 / 0.03 =

32

300

72.38 divided by 22 =

3.29

400

Mike scored 325 points this basketball season. His team played 20 games. What was the average number of points he scored each game?

16.25 points

500

350.2 / 0.6 

Round to the nearest hundredth place

583.67

Order of Operation

100

7 x 3 - 2 + 4 =

23

200

10 x 8 + 8² + (5-2)

147

300

What does PEMDAS stand for?

P-Parenthese, E- Exponent, M- Multiply, D- Divide 

A- Add, S- Subtract

400

(4 +1)² - 10 ÷ 5 - (5 - 3) =

21

500

What do you complete second? What is the answer to that second step?      

10 +11 +5-2 + (7 x 9) =

10 + 11 and answer is 21