加减乘除第四章
Presentation
•
Mathematics
•
1st - 6th Grade
•
Hard
Sunny 2020
FREE Resource
5 Slides • 0 Questions
1
by Sunny 2020
2
403+689=
先计算个位先。
3+9=12
10+3-1=12
再计算十位。
0+8+1=9
再计算百位。
4+6=10
2+90+1000=1092
3
60-5=
先计算个位。
0-5=不够减
10-5=5（向十位借1）
所以60-5=55.
4
7×100=
100后有两个零，所以7.00（小数点要移右2格）7×100=700.
5
7÷2=
因为8÷2=4
所以7除二=4-0.5=3.5
双数就能除2，单数就要将被除数+1的数目的除二答案-0.5
by Sunny 2020
Show answer
Auto Play
Slide 1 / 5
SLIDE
Similar Resources on Wayground
8 questions
Day 3
Presentation
•
1st - 5th Grade
5 questions
马来西亚圣约翰救伤队
Presentation
•
4th - 6th Grade
10 questions
三年級中文
Presentation
•
3rd - 4th Grade
9 questions
估计物体的质量 Teka jisim yang sesuai
Presentation
•
KG - 3rd Grade
10 questions
4下1冊課8(詞語)
Presentation
•
1st - 5th Grade
7 questions
《说句对不起》
Presentation
•
3rd Grade
5 questions
数学
Presentation
•
1st - 2nd Grade
13 questions
四年级数学单元四时间与时刻（相隔时间+时间单位的换算）
Presentation
•
1st - 5th Grade
Popular Resources on Wayground
21 questions
Continents and Oceans
Quiz
•
6th Grade
20 questions
Parts of Speech
Quiz
•
5th Grade
16 questions
Subject & Predicate
Quiz
•
5th Grade
25 questions
Multiplication Facts
Quiz
•
5th Grade
12 questions
Map Skills
Quiz
•
3rd Grade
22 questions
Continents and Oceans
Quiz
•
5th Grade
15 questions
Rounding Decimals
Quiz
•
5th Grade
20 questions
Brand Labels
Quiz
•
5th - 12th Grade
Discover more resources for Mathematics
25 questions
Multiplication Facts
Quiz
•
5th Grade
15 questions
Rounding Decimals
Quiz
•
5th Grade
100 questions
100 multiplication facts
Quiz
•
3rd Grade
20 questions
Decimal Place Value
Quiz
•
4th - 6th Grade
20 questions
Multiplication and Division Facts
Quiz
•
4th Grade
20 questions
addition facts
Quiz
•
2nd Grade
22 questions
Ratio and Ratio Tables
Quiz
•
6th Grade
18 questions
Prime and Composite numbers
Quiz
•
4th Grade