# OAE Middle Grades Math: Operations with Decimals Chapter Exam

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### Page 1

#### Question 1 1. x + 4.1 = 5

####
Question 2
2.
Find the formula for this pattern.

1.5, 2.5, 3.5, 4.5, ...

#### Question 3 3. Simplify 5.6y + 9.1x + 2.1y - 3.5x.

#### Question 4 4. x - 8.1 > 10

####
Question 5
5.
6x - 5.4 = 9.9

Solve for x. Estimate to the nearest whole number.

### Page 2

#### Question 6 6. Estimate 0.19 + 5.67 to the nearest whole number.

#### Question 7 7. 0.54 + 0.6 = _____

#### Question 8 8. You are in line at a grocery store. You see the person in front of you get very angry at the cashier for giving him $1.15 in change. The person just bought something that cost $2.85 and he gave the cashier a $5. Why is he angry?

#### Question 9 9. Estimate the product of 5.4*3.8.

#### Question 10 10. A model house is built to 1/8 or 0.125 of real-world size, so everything in the model house is exactly 0.125 times smaller than its real-world counterpart. It has a particularly cute dining table in the kitchen area. The owner of the model house has the same cute dining table in his kitchen. His real dining table stands 30 inches tall. How tall does the table in the model house stand?

### Page 3

#### Question 11 11. Estimate 6.54 - 4.32 to the first decimal space.

#### Question 12 12. 9*.25 = ?

#### Question 13 13. Estimate 56.3 - 48.653 to the nearest whole number.

#### Question 14 14. 4x + 1.21 > 5

#### Question 15 15. Convert 7 4/5 to a decimal.

### Page 4

#### Question 16 16. Convert 11.12 to a mixed number.

#### Question 17 17. 7x - 4.5 < 9

#### Question 18 18. Simplify 3(4.2x) + 2(8.2y).

####
Question 19
19.
What is the formula for this pattern?

1.3, 2.4, 3.5, 4.6, ...

#### Question 20 20. 3.25*5.15 = ?

### Page 5

#### Question 21 21. 2(x - 4.1) > 9.2

####
Question 22
22.
7.8x - 9.3 = 12.3

Solve for x. Estimate to the nearest whole number.

####
Question 23
23.
10x = 5.6

Solve for x. Estimate to the nearest whole number.

####
Question 24
24.
Use the formula for this pattern to find the 18th number in the sequence.

2.7, 4.7, 6.7, 8.7, ...

#### Question 25 25. 0.34 + .68 = ?

### Page 6

#### Question 26 26. Simplify 5.3x + 4.1y + 1.1y.

####
Question 27
27.
Find the 10th number in this sequence.

1.1, 2.2, 3.3, 4.4, ...

#### Question 28 28. x/0.125 + 0.34 < 1

#### Question 29 29. Convert 33 3/4 into a decimal.

#### Question 30 30. 3x = 9.9

#### OAE Middle Grades Math: Operations with Decimals Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next question. You can skip questions if you would like and come back to them later with the "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. You will lose your work if you close or refresh this page. Good luck!