Integers
8 questions ยท EasyMedium
Integers are the whole numbers with their negatives. Sign rules decide most of these questions.
๐ก Quick tricks
- Adding numbers with different signs: subtract their sizes and keep the sign of the larger.
- Multiplying or dividing: an even number of minus signs gives a positive answer, an odd number gives a negative one.
- Subtracting a negative is adding: 5 โ (โ3) = 8.
๐ฏ Try it yourself
Tap an answer. You'll see if it's right, and why. Easy ones come first.
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Q1Easy
โ13 + 14 = ?
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Answer: C. 1
๐ก Start at โ13 and move 14 to the right: 1.
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Q2Easy
โ9 + 3 = ?
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Answer: A. โ6
๐ก Start at โ9 and move 3 to the right: โ6.
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Q3Easy
โ6 + 8 = ?
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Answer: C. 2
๐ก Start at โ6 and move 8 to the right: 2.
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Q4Easy
โ4 + 3 = ?
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Answer: C. โ1
๐ก Start at โ4 and move 3 to the right: โ1.
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Q5Medium
โ8 + 7 โ (โ9) = ?
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Answer: D. 8
๐ก โ (โ9) is + 9: โ8 + 7 + 9 = 8.
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Q6Medium
(โ20) ร (โ2) รท (โ4) = ?
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Answer: A. โ10
๐ก Three minus signs make the answer negative: 20 ร 2 รท 4 = 10, so โ10.
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Q7Medium
(โ6) ร (โ6) รท (โ3) = ?
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Answer: C. โ12
๐ก Three minus signs make the answer negative: 6 ร 6 รท 3 = 12, so โ12.
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Q8Medium
(โ24) ร (โ5) รท (โ6) = ?
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Answer: B. โ20
๐ก Three minus signs make the answer negative: 24 ร 5 รท 6 = 20, so โ20.
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