Presentacion de matematicas para ejercitar sutraciones.pptx

Presentacion con imagenes del texto escolar para ejercitar sustracciones

1. M atemática Profesora Camila 2do básico

2. NORMAS DENTRO DE LA SALA

3. Objetivo de clase Ejercitar sustracciones

4. = RESTAS SUSTRACCIONES

5. Recordar contar en 100 en 100

6. Recordemos como contar de 2 en 2

7. Actividades de clase Actividad Completado 1.- Recordar conteo de 2 en 2 2.- Ejercitar en guías de 2 en 2 3.- Revisar guías 4.- Recordar conteo 5 en 5

8. Actividades de clase Actividad Completado 1.- Recordar como contar de 5 en 5 2.- Escribir tareas en el cuaderno 3.- Hacer la tarea 4.- Revisar la tarea

9. Recordemos como contar de 2 en 2

10. Recordemos como contar de 10 en 10

11. Actividades de clase Actividad Completado 1.- Recordar como contar de 2 en 2 -5 en 5 y 10 en 10 2.- Escribir tareas en el cuaderno 3.- Hacer la tarea 4.- Revisar la tarea

12. Actividades de clase Actividad Completado 1.- Recordar como contar de 2 en 2 -5 en 5 y 10 en 10 2.- Escribir tareas en el cuaderno 3.- Hacer la tarea 4.- Revisar la tarea

13. Actividades de clase Actividad Completado 1.- Recordar como contar de 2 en 2 -5 en 5 y 10 en 10 2.- Escribir tareas en el cuaderno 3.- Hacer la tarea 4.- Revisar la tarea

14. Actividades de clase Actividad Completado 1.- Recordar como contar de 2 en 2 -5 en 5 y 10 en 10 2.- Escribir tareas en el cuaderno 3.- Hacer la tarea 4.- Revisar la tarea

15. You can describe the topic of the section here You can describe the topic of the section here You can describe the topic of the section here You can describe the topic of the section here Introduction Place value Comparing Patterns 03 02 04 01 Table of contents

16. Let's talk about place value Mercury takes a little more than 58 days to complete its rotation, so try to imagine how long days must be there! Since the temperatures are so extreme, albeit not as extreme as on Venus, Mercury has been deemed to be non-habitable for humans Mercury is the closest planet to the Sun and the smallest one in the entire Solar System. Contrary to popular belief, this planet's name has nothing to do with the liquid metal. Mercury was, instead, named after the famous Roman messenger god Mercurius

17. Introduction 01 You can enter a subtitle here if you need it

18. Number basics Do you know what helps you make your point crystal clear? Lists like this one: They’re simple You can organize your ideas clearly You’ll never forget to buy milk! And the most important thing: the audience won’t miss the point of your presentation

19. Introduction to numbers Venus has a beautiful name and is the second planet from the Sun. It’s hot and has a poisonous atmosphere Mercury is the closest planet to the Sun and the smallest one in the System — it’s only a bit larger than the Moon Writing numbers Counting object

20. Reading and writing numbers 1. Write these numbers in numerals Twenty-five Ninety-two Fifty Forty-six Sixty-one Thirty-eight 2. Match each number with the number written in words 589 Eight hundred and fifty-nine 583 Five hundred and ninety-eight 859 Five hundred and eighty-nine 905 Nine hundred and five 29

21. Counting strategies Mercury is the closest planet to the Sun and the smallest of them all Venus has a beautiful name and is the second planet from the Sun Despite being red, Mars is actually a cold place. It’s full of iron oxide dust Using fingers Using objects Using numbers

22. Problem solving Problem Answer Susie has 5 apples. She gives 2 apples to her friend. How many apples does Susie have left? There are 8 birds on a tree. 3 birds fly away. How many birds are still on the tree? Mary has 6 toys. She receives 3 more toys as a gift. How many toys does Mary have now? There are 10 children playing in the park. 4 children go home. How many children are left in the park? Tim has 7 stickers. He buys 4 more stickers from the store. How many stickers does Tim have in total?

23. Despite being red, Mars is a cold place. It’s full of iron oxide dust Earth is the third planet from the Sun and has life Mercury is the closest planet to the Sun and the smallest of them all Venus has a beautiful name and is the second planet from the Sun Counting by fives Counting by tens Others Skip counting Counting by twos

24. Venus has extremely high temperatures Neptune is the farthest planet from the Sun Reviewing concepts Mars is actually a very cold place Mercury is the closest planet to the Sun Saturn is a gas giant with several rings Jupiter is the biggest planet of them all Strategies Counting Writing Reading Numbers Place value 01 02 03 03 04 05

25. Awesome words

26. “This is a quote, words full of wisdom that someone important said and can make the reader get inspired” —Someone Famous

27. A picture is worth a thousand words

28. A picture always reinforces the concept Images reveal large amounts of data, so remember: use an image instead of a long text. Your audience will appreciate it

29. 98,300,000 Big numbers catch your audience’s attention

30. Jupiter's rotation period 9h 55m 23s 333,000 The Sun’s mass compared to Earth’s 386,000 km Distance between Earth and the Moon

31. Reading and writing numbers II Numerals Nº in words Tens Ones 22 twenty-one 16 Sixteen 35 Fifty-three 5 3 6 7 49 Place value: fill in the missing boxes with the correct numbers

32. Mercury is the closest planet to the Sun and the smallest of them all Mercury Venus has a beautiful name and is the second planet from the Sun Venus Despite being red, Mars is actually a cold place. It’s full of iron oxide dust Mars Percentage insights 50% 75% 25%

33. More problems Choose the correct answer There are 9 cookies on a plate. Emily eats 2. How many cookies are left on the plate? Sam has 12 marbles. She gives 5 marbles to her sister. How many marbles does Sam have? There are 15 balloons at the party. 7 balloons pop. How many balloons are left? John has 8 crayons. He gives 3 crayons to his friend. How many crayons does John have left? a) 7 cookies b) 9 cookies a) 17 marbles b) 7 marbles a) 11 crayons b) 3 crayons a) 15 balloons b) 8 balloons c) 11 cookies d) 2 cookies c) 5 crayons d) 8 crayons c) 5 marbles d) 12 marbles c) 7 balloons d) 22 balloons

34. Computer mockup You can replace the image on the screen with your own work. Just right-click on it and select “Replace image”

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37. Reading and writing numbers 1. Read the following numbers aloud and write them in numeral form 2. Write the following numbers in word form: Sixteen Twenty-three Forty-five 12 36 51 3. Complete the number sequence : 4. Write the missing numbers : 10, 11, 12, _ _, 14, _ _, 16 25, _ _, 27, 28, _ _, 30, _ _ 40, 41, _ _, 43, _ _, 45, _ _ _ _, 17, 18, 19, 20 30, _ _, 32, _ _, 34 50, 51, _ _, 52, _ _

38. Mercury Math across the map Mercury is the smallest one in the entire Solar System. This planet’s name has nothing to do with the liquid metal, since Mercury was named after the Roman messenger god

39. Comparing numbers 1. Compare the numbers using the symbols >, < 0r = 2. Arrange the numbers in ascending order (from least to greatest) 7__5 10__10 12__17 6, 2, 9, 4, 7 11, 5, 8, 13, 6 15, 12, 17, 10, 14 3. Compare the numbers using the symbols >, < 0r = 4. Arrange the numbers in descending order (from greatest to least) 20__15 19__24 13__17 12, 7, 4, 9, 5 20, 15, 18, 10, 13 11, 14, 8, 16, 5

40. Journey through lessons Introduction Venus is the second planet from the Sun Counting Mercury is the closest planet to the Sun Comparing Despite being red, Mars is a cold place Value Jupiter is the biggest planet of them all Lesson 1 and 2 Lesson 3 and 4 Lesson 5 and 6 Lesson 7 and 8

41. What the lessons are about Nº Lesson title Topics covered 1 Introduction to numbers Counting objects, reading and writing numbers 2 Place value Understanding tens and ones, base-10 blocks 3 Building numbers with expanded form Representing numbers, expanded form 4 Comparing numbers Using <, >, and = symbols, ordering numbers 5 Number patterns and skip counting Identifying patterns, completing patterns 6 Skip Counting by 2s, 5s, and 10s Skip counting patterns by 2s, 5s, and 10s 7 Addition within 20 Understanding addition, adding 10, adding 20 8 Subtraction within 20 Understanding subtraction 9 Problem solving Word problems with addition and subtraction

42. Number sense and place value Introduction about the topic Despite being red, Mars is actually a cold place. It’s full of iron oxide dust, which gives the planet its reddish cast Place value Mercury is the smallest planet Adition Jupiter is the biggest planet of all them Subtraction Venus is the second planet from the Sun Problems Saturn is a gas giant with rings

43. Number pie adventure Follow the link in the graph to modify its data and then paste the new one here. For more info, click here Mercury Mercury is the smallest planet Jupiter Jupiter is the biggest planet Venus Venus has a beautiful name Saturn Saturn is a gas giant with rings 15% 20% 40% 25%

44. More exercises 1. Identify the digit in the specified place value of each number 2. Write the number that comes before and after the given numbers: a) What is the tens digit in the number 36? b) What is the ones digit in the number 49? c) What is the tens digit in the number 82? a) Before: 28, after: __ b) Before: 64, after: __ c) Before 51, after: __ True or false T F In the number 425, the digit 4 represents 40 ✗ The expanded form of the number 482 is 400 + 80 + 2 When counting by tens, the ones digit remains the same The place value of the digit 3 in the number 532 is 300

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