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**Answered By:** Katie Hutchison Last Updated: Oct 10, 2016 Views: 166508

**Answered By:**Katie Hutchison

**Use numerals to express:**

a. numbers 10 and above

examples: 12 years old, the 57th trial, 12 cm wide

b. numbers that precede a unit of measurement

examples: 5-mg dose, 36.3 mm

c. numbers that represent statistical or mathematical functions, fractional or decimal quantities, percentages, and ratios

examples: multipled by 5, .33 of the..., more than 5% of the sample..., a ratio of 15:1

d. numbers that represent time, dates, ages, scores, points on a scale, exact sums of money and numerals

examples: 1 hr 34 min., at 3:45 am, 2-year olds, score 5 on a 12 point scale

**Use numbers expressed as words:**

a. when the number begins a sentence, title, or heading

examples: Forty-eight percent of the sample..., Twelve students improved...

b. common fractions

examples: one fifth of the class..., two-thirds majority

c. universally accepted language

examples: the Twelve Apostles, Five Pillars of Islam

For more information, see the *Publication Manual of the American Psychological Association*. You might also find help using the APA Style blog.

For example:

Wrong: Fourteen lucky women received 12 bracelets and 2 airline tickets when they celebrated their anniversaries today.

Right: Fourteen lucky women received twelve bracelets and two airline tickets when they celebrated their anniversaries today.

This is what I was taught. Am I correct?

Cigarette smoke contains over 7,000 chemicals. Of those 7,000 chemicals, 69 of them are known to cause cancer.

If i am referring to a chapter number, how do I write it correctly in apa? i.e. Referring back to chapter 3 (three)...

Question 2:

If I am referring to a grade level in education, do I say Grade 2 or Grade Two? Capitalized?

Thank you so much for the help

To answer your questions...

1. For numbers less than tn you write out the number. For your example, you would write, "In chapter three, ..."

2. Same answer for question two. You will write out the number. For example, "By Grade Two, children should..."

"Cigarette smoke contains over 7,000 chemicals; of these, 69 of them are known to cause cancer."

Would be better sentence structure. Learning how to use semicolons correctly is a great thing, because VARIED sentence structure and lengths are something a proffessor looks for in a report

Example:

"Question two in the questionnaire asked participants..."

or

"Question 2 in the questionnaire asked participants..."

Also, will this change as I start talk about questions 11-32 because these numbers are higher than 10. My thought is I would need to keep it consistent throughout the research. Thank you in advance for any input!

It is reiterated by other sources including the Purdue OWL (https://owl.english.purdue.edu/owl/resource/593/01/) and on this academic coaching website (https://www.academiccoachingandwriting.org/academic-writing/academic-writing-blog/ii-using-apa-style-in-academic-writing-words-or-numerals)