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Writing Expressions
100

56.34 - 2.97

53.37

100

9 - 3 x 2=12

Correct answer is 3. Do x then -, not - then x.

100
3 + 4 x 5
23
100

14 - 2 x 7

0

100

Add 11 to the product of 7 and 8.


11+ (7 x 8)

(7 x 8) + 11

200

562/12

46 r10

200
5 2 + 1=11
5 2 = 25, not 10. Correct Answer is 26.
200
7 + (2 x 4) - 1
14
200
49 ÷ (3+4) + 52
32
200

Add 11 and 7, then multiply the sum by 8.


(11 +7) x 8

8 x (11 x 7)

300

3.45 x 1.6

5.52

300

32  - 6 = 0

3 2  = 9, not 6. Correct answer is 3

300
56 ÷ (4+4) + 32
16
300
5 + 14 ÷ 2 × 5
40
300

Multiply 11 and 7, then add 8 to the product.



11 x 7 + 8

8 + (11 x 7)

400

0.21 x 10 3 =

210

400

4 + 5 + 7 - 3 x 2 = 26

You need to follow PEMDAS and do x first. Correct answer is 10.

400
20 – (5+3) x 2 + 4
8
400
(4-1)2 + (5+ 1)2
45
400

Write a numerical expression that represents the phrase “six more than the product of three and nineteen.”


 6 + (3 x 19)

500

What is the difference in the value of 6 in the number 4,761 compared to the value of 6 in the number 4,684?

a) The value of 6 in 4,761 is 1/10 the value of 6 in 4,684.

b) The value of 6 in 4,761 is 1/100 the value of 6 in 4,684.

c) The value of 6 is 100 times greater in 4,684 than in 4,761.

d) The value of 6 is 10 times greater in 4,761 than in 4,684.

a) The value of 6 in 4,761 is 1/10 the value of 6 in 4,684.

500

10 3  = 30

10 3  = 10 x 10 x10, which is 1000, not 30.

500
(5 x 4) – 6 ÷ 2 + 9
26
500
12 + 22 x 32 - 42
21
500

Ms. Garcia has 10 pencils for her class. Mr. Cuomo has 16 pencils for his class. When school starts, their students take half of their pencils.  

Which calculation would represent a way to find how many pencils Ms. Garcia and Mr. Cuomo have left altogether? 

a) Multiply 16 and 2, then add 10.

b) Subtract 2 from the sum of 10 and 16.

c) Add 10 and 16, then divide by 2. 

d) Divide the product of 10 and 16 by 2.

c) Add 10 and 16, then divide by 2.

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