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Authoritative PPT Summary
"Integers plus one digit and corresponding subtraction" PPT free courseware on understanding numbers within 100
Part One: Lesson Objectives
1. Combined with the understanding of numbers, master the calculation of adding integers to one digit and corresponding subtraction.
2. By consolidating the concept of number composition, penetrate the operation laws such as "subtraction is the inverse operation of addition" and "commutative law of addition".
3. Cultivate the awareness and ability to use learned knowledge to solve simple and practical mathematical problems.
Adding one digit to an integer and the corresponding subtraction PPT, part 2: review introduction
50 is ( ) a ten.
90 is ( ) a ten.
There are ( ) tens and ( ) ones in 67.
It consists of 8 ones and 5 tens ( ).
The sum of 6 tens and 4 ones is ( ).
Adding one digit to an integer and the corresponding subtraction PPT, the third part: interactive new teaching
Can you ask a math question based on the picture above?
How many books are there in total?
30+2, 2+30.
What is the equivalent of 30+2 and 2+30? How did you calculate it?
If the teacher takes away 2 books, how many books are left? How are you going to solve it?
32 - 2 = 30
Adding one digit to an integer and the corresponding subtraction PPT, Part 4: Consolidation exercises
50+3=53 (pieces) 55>53
One bottle of mineral water per person, 55 bottles is enough.
Adding one digit to an integer and the corresponding subtraction PPT, Part 5: Class Summary
When calculating an integer plus a one-digit number, you can use the composition of the number to calculate. Adding tens to a few equals tens; you can also use the composition of numbers to calculate the corresponding subtraction.
A few tens plus a few is a few tens and a few ones added together, which equals a few dozen; a few tens minus a few is a few tens and several ones minus a few ones, which is tens.
Keywords: Free download of PPT courseware for mathematics in the second volume of the first grade of People's Education Press, download of integer plus one digit and corresponding subtraction PPT, download of PPT on understanding of numbers within 100, .PPT format;
For more information about the PPT courseware "Understanding Numbers Within 100: Adding Integers to One-digit Numbers and the Corresponding Subtractions", please click on the PPT tag "Understanding Numbers Within 100: Adding Integers to One-digit Numbers and Corresponding Subtractions" PPT tag.
Download the PPT courseware for "Integer Ten Numbers Added to One Digit and Corresponding Subtraction" PPT courseware on understanding numbers within 100:
Download the PPT courseware for understanding numbers within 100, "Integer Tens plus One Digit and Corresponding Subtraction" Part One: Review Introduction 50 is ( ) a ten. 90 is ( ) a ten. There are ( ) tens and ( ) ones in 67. It consists of 8 ones and 5 tens ( ). 6...
"Add a single digit to an integer and the corresponding subtraction" PPT teaching courseware for understanding numbers within 100:
"Integers plus one-digit numbers and corresponding subtractions" PPT teaching courseware for understanding numbers within 100 Part One: Introduction to review, revealing the topic 1. Oral arithmetic. 10+6= 10-9= 14-4= 8-6= 8+10= 19-9= 17-8= 3+10= 2. Fill in the blanks. 56 contains (..
"Add one digit to an integer and the corresponding subtraction" PPT download on the understanding of numbers within 100:
"Integer plus one digit plus the corresponding subtraction" PPT download on the understanding of numbers within 100 Part 1: Learning objectives 1. Combined with the understanding of numbers, students can master the calculation of integer plus one digit. 2. Use the knowledge you have learned to solve simple mathematical problems. 3.Feel the number..