
乘法的運算
Authored by 梁蕙嘉老師 梁蕙嘉老師
Mathematics
4th Grade
Used 6+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
23 × 9 + 77 × 9 = ?
23×9+9×7
99 × 9
(9+77) × 23
(23+77) × 9
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
9 × 125 − 5 × 125 = ?
125 × 4
9 - 5 × 125
9 × (125 - 5)
(9 + 5) × 125
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
請選用最快捷及正確的方法,計算以下題目:4 × 93 = ?
4 × 93 = 4 × 90 + 3 = 360 + 3
4 × 93 = 4 × (90 + 3) = 360 + 12
4 × 93 = 4 × (9 + 3) = 36 + 12
4 × 93 = 4 × (90 − 3) = 360 − 12
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
請選用最快捷及正確的方法,計算以下題目:6 × 998 = ?
6 × 998 = 6 × (9 + 9 + 8)
6 × 998 = 6 × (900 + 8)
6 × 998 = 6 × (1000 − 2)
6 × 998 = 6 × 900 + 8
5.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
20 × 40 = ?
(a)
6.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
33 × 25 = ?
(a)
7.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
38 × 320 = ?
(a)
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