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# Tag Archives: Signed Numbers

# SAT/ACT problem of the week, January 05, 2017 solution

**Hint for process of elimination: **The most important thing to recognize is that this problem can EASILY be solved by punching the numbers into the calculator. The second thing to know is the *three major easy arithmetic facts and tips *that students forget all the time but they shouldn’t live life without knowing:

- Know that the word “product” implies multiplication.
- Do not mix up the concepts of multiplication and addition.
- Know how to multiply negative numbers, including knowing that the product of two negative numbers is positive.

Read on for a full solution.

# SAT/ACT problem of the week, January 05, 2017

What is the product of -2 and -3? (Seriously, this is a real ACT question.)

Solutions, hints, and questions are welcomed. A full solution will be posted on October 9th. If you would like to learn how to enter math formulas into this blog, visit the WordPress LaTeX tutorial page.

# SAT problem of the week, January 05, 2015 solution

**Hint for process of elimination: **The most important thing to recognize is that this problem can EASILY be solved by punching the numbers into the calculator. The second thing to know is the *three major easy arithmetic facts and tips *that students forget all the time but they shouldn’t live life without knowing:

- Know that the word “product” implies multiplication.
- Do not mix up the concepts of multiplication and addition.
- Know how to multiply negative numbers, including knowing that the product of two negative numbers is positive.

Read on for a full solution.

# SAT problem of the week, January 05, 2015

What is the product of -2 and -3? (Seriously, this is a real SAT question.)

Solutions, hints, and questions are welcomed. A full solution will be posted on October 9th. If you would like to learn how to enter math formulas into this blog, visit the WordPress LaTeX tutorial page.