Junior High School · Mathematics

Positive and Negative Numbers: Practice Questions

5 multiple-choice questions marked as you go, and 2 written questions with worked solutions. All on Positive and Negative Numbers.

7 questions13 marksFree, no account
Question 1
1 mark

数直線上で、\(-3\) から \(5\) までの距離を求めなさい。

Question 2
1 mark

次の計算をしなさい。
\(15 + (-3)^2 \times (2 - 5)\)

Question 3
1 mark

\(a\) を正の整数、\(b\) を負の整数とするとき、次のアからエの式のうち、その値が常に正となるものの組み合わせとして正しいものを選びなさい。
ア:\(a - b\)
イ:\(b - a\)
ウ:\(a^2 + b\)
エ:\(a \times b^2\)

Question 4
1 mark

数直線上で、絶対値が \(5\) である数はどれですか。すべて選びなさい。

Question 5
1 mark

次の計算をしなさい。
\(5 - (-2)^2 \times 3\)

Question 6
4 marks

次の計算を計算の順序に注意して行いなさい。
(a) \( (-12) \div 3 - (-5) \times 2 \)
(b) \( \{8 + (-2)^3\} \times (-4) \)

Write your answer out first, then check it against the worked solution.

Question 7
4 marks

次の計算をしなさい。
(a) \( -8 + (-5) \times 2 \)
(b) \( (-3)^2 - 4 \div (-2) \)

Write your answer out first, then check it against the worked solution.

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