

四年级数学:比例
Presentation
•
Mathematics
•
4th Grade
•
Hard
LIM Moe
Used 6+ times
FREE Resource
5 Slides • 4 Questions
1
四年级数学:比例
LIM JIA WEI
2
Multiple Choice
5 辆巴士可载 220 个搭客。每辆巴士的乘客是一样多。
4 辆巴士能载多少个搭客。
176
185
192
212
3
5 辆巴士可载 220 个搭客。每辆巴士的乘客是一样多。4 辆巴士能载多少个搭客。
5辆巴士 = 220个搭客
1辆巴士 = 220个搭客 ÷ 5
= 44个搭客
4 支原子笔 = 44个搭客 × 4
= 176个搭客
4
Multiple Choice
3支同样的原子笔共价 RM 75。11 支相同的原子笔共多少钱?
RM 240
RM 275
RM 255
RM 290
5
3支原子笔 = RM 75
1支原子笔 = RM 75 ÷ 3
= RM 25
11 支原子笔 = RM25 × 11
= RM 275
3支同样的原子笔共价 RM 75。11 支相同的原子笔共多少钱?
6
Multiple Choice
面包老板用了 5 kg 700 g 的奶油制作 38 个蛋糕。如果面包老板制作了蛋糕所用的奶油质量相同,他制作 6 个蛋糕需要多少 g 的奶油?
150g
900g
300g
1050g
7
38个蛋糕 = 5kg 700 g
= 5700g
1个蛋糕 = 5700g ÷ 38
= 150g
6个蛋糕 = 150g × 6
= 900g
面包老板用了 5 kg 700 g 的奶油制作 38 个蛋糕。如果面包老板制作了蛋糕所用的奶油质量相同,他制作 6 个蛋糕需要多少 g 的奶油?
8
Multiple Choice
3 盒饼干的售价是 RM 17.40。
计算一打饼干的售价。
RM 17.40
RM 45.80
RM 25.30
RM 69.60
9
3盒饼干 = RM 17.40
3盒饼干 = RM 17.40 ÷ 3
= RM 5.80
一打饼干 = 12盒饼干
12盒饼干 = RM 5.80 x 12
= RM 69.60
3 盒饼干的售价是 RM 17.40。计算一打饼干的售价。
四年级数学:比例
LIM JIA WEI
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