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乘法的運算

Authored by 梁蕙嘉老師 梁蕙嘉老師

Mathematics

4th Grade

Used 6+ times

乘法的運算
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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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