| Category | Format | Size |
|---|---|---|
| People's Education Press First Grade Mathematics Volume 1 | pptx | 6 MB |
"Continuous Addition and Subtraction" 6-10 understanding and addition and subtraction PPT teaching courseware
Description
"Continuous Addition and Subtraction" 6-10 understanding and addition and subtraction PPT teaching courseware
Part One: Review Import
5 + 1 = 6 + 3 = 3 + 6 =
3 + 2 = 9 - 3 = 1 + 2 =
7 + 3 = 10 - 5 = 7 - 5 =
8 - 4 = 9 - 2 = 5 + 2 =
PPT on continuous addition and subtraction, part 2: introduction of new knowledge
Garfield likes to eat fish very much. Xiao Ai fed Garfield 3 fishes for the first time and 2 fish for the second time, but Garfield still wanted to eat fish, so Xiao Ai fed 3 more fish. So, how many fish did Garfield eat in total?
Today, let us learn and discuss!
New knowledge exploration
How many chicks are there in total?
5+2=7 (only)
How many are there now?
5+2+1
PPT on continuous addition and subtraction, the third part: summary
Continuous addition is not complicated. It is just another addition operation based on the addition learned before.
1. First add the previous two numbers to get a sum.
2. Add the sum in the previous step to the last number in the addition formula again, and the result is the final result.
PPT on continuous addition and subtraction, Part 4: Classroom exercises
Think about it, put it out, and fill it in.
1+2+7 = 10 – 3 – 1 =
2+7+1 = 10 – 4 – 5 =
PPT on continuous addition and subtraction, part 5: consolidation practice
1+5+3 = 10-1 -1 =
1+3+6 = 9- 2 - 2 =
4+1+2 = 10-3- 2 =
5+4+1 = 8 - 4 - 3=
2+5+1= 9 - 3- 4 =
PPT on continuous addition and subtraction, part six: classroom activities
Carrot pulling game
1. It takes one person to pull out a carrot
2. The teacher showed the number of radishes and asked the students to use the fewest people to pull out the radishes.
3. The teacher increases the number of radishes again based on the number of radishes last time and asks students to think about how many people need to be added or subtracted.
Keywords: Free download of first-grade mathematics PPT courseware from the People's Education Press, continuous addition and subtraction PPT download, 6-10 understanding and addition and subtraction PPT download, .PPT format;
For more information about the PPT courseware "Cognition and Addition and Subtraction of 6-10 Consecutive Addition and Subtraction", please click on the Cognition and Addition and Subtraction PPT tab of PPT 6-10 Consecutive Addition and Subtraction.
"Continuous Addition and Continuous Subtraction" PPT on addition and subtraction within 100:
"Continuous Addition and Subtraction" PPT on addition and subtraction within 100 Part One: [Learning Objectives] 1. Consolidate the calculation of addition and subtraction within 100 to improve calculation ability; learn to use vertical calculations for continuous addition and subtraction. 2. Experience the process of exploring and understanding the arithmetic of continuous addition and subtraction, and...
"Continuous addition, continuous subtraction and mixed addition and subtraction" PPT on addition and subtraction within 100:
"Continuous addition, continuous subtraction and mixed addition and subtraction" PPT on addition and subtraction within 100 Part 1: Objective 01 of this section: Master the method and simple writing method of vertical calculation of continuous addition and continuous subtraction, and further consolidate the two-digit addition and subtraction Two-digit numbers, able to flexibly and correctly calculate consecutive additions and consecutive...
"Continuous Addition and Subtraction" PPT on addition and subtraction within 100:
"Continuous Addition and Subtraction" PPT on addition and subtraction within 100 Part 1: Independent exploration What mathematical questions can you ask? How many were picked in total by the first and second groups? 28+34=62 (pieces) How many more did the second group pick than the first group? 34-28=6 (pieces) ..
File Info
Update Time: 2024-06-10
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