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Student
Math • Multiplying positive & negative integers • with supports
← Dashboard 🖨️ Printable (all 20)

Integers — Multiply \(+\) and \(−\) (With Supports)

Goal: use the sign rule + absolute values to multiply quickly. Use supports any time.

🧮 Your problem

Problem 1 of 20
⏳ in progress
-3 × 4 =
Score: 0 / 20

✅ Finish & submit

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🛟 Supports

Sign rule (fast)
\( + \times + \)
answer is positive
\( - \times - \)
answer is positive
\( + \times - \)
answer is negative
\( - \times + \)
answer is negative
Steps (every time)
  1. Decide the sign using the rule above.
  2. Multiply the absolute values (ignore signs).
  3. Put the sign back on the answer.
12×12 multiplication table
Use this for the absolute value part. Then apply the sign rule.
× 1 2 3 4 5 6 7 8 9 10 11 12
1123456789101112
224681012141618202224
3369121518212427303336
44812162024283236404448
551015202530354045505560
661218243036424854606672
771421283542495663707784
881624324048566472808896
9918273645546372819099108
10102030405060708090100110120
11112233445566778899110121132
121224364860728496108120132144
Try this self-talk
“Two negatives make a positive.”
“One negative makes a negative.”
“Multiply the big numbers, then fix the sign.”
Teacher support
If you get stuck, click Show hint and read the sign rule again.