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數學
國小五六年級
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目前顯示 15 道題目中的前 5 道——免費註冊即可匯入完整題庫，和全班一起玩。
1
What is the first step when dividing two rational numbers written as fractions?
A
Subtract the denominators
B
Find a common denominator
C
Multiply by the reciprocal of the divisor
D
Add the numerators
2
In the KEEP–CHANGE–FLIP method, what does FLIP refer to?
A
Flipping the numerator and denominator of the divisor
B
Flipping the sign of the answer
C
Flipping the order of the fractions
D
Flipping the division sign to addition
3
What is the sign of the quotient when a negative rational number is divided by a positive rational number?
A
Negative
B
Zero
C
It depends on the size of the numbers
D
Positive
4
What is the sign of the quotient when two negative rational numbers are divided?
A
Positive
B
Negative
C
Undefined
D
Zero
5
Which expression is equivalent to 3/4 ÷ 2/5?
A
4/3 × 2/5
B
4/3 × 5/2
C
3/4 × 5/2
D
3/4 × 2/5