Difference between revisions of "Number Knowledge"

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Count by 5 and colour that box red. Count by 10 and colour that box yellow.
 
Count by 5 and colour that box red. Count by 10 and colour that box yellow.
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Revision as of 15:33, 26 July 2021

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Welcome to Class 1 Number Knowledge lesson plan

Learning Objectives

  1. Read, write and recall numbers (cardinal numbers) from 0 to 120
  2. Understand partitioning of numbers (introduction to place values)
  3. Counting forwards and backwards
  4. Know the position of numbers (ordinal numbers)
  5. Comparing two 2-digit numbers
  6. Recognize odd and even numbers (0 to 50)
  7. Understanding Bhutasankhya sytem

Introduction

Now that we know the importance of mathematics, let us learn to apply counting and calculations in our daily lives. First, we shall recall the numbers learnt till now and practice writing numbers.

Numbers Word Forms Numbers Word Forms
एकम् ११ एकादश
द्वे १२ द्वादश
त्रीणि १३ त्रयोदश
चत्वारि १४ चतुर्दश
पञ्च १५ पञ्चदश
षट् १६ षोडश
सप्त १७ सप्तदश
अष्ट १८ अष्टादश
नव १९ नवदश
१० दश २० विंशतिः

Practice Writing

Number knowledge - Page 1.png

See the end of this chapter for more practice sheets.

Activity: Find the 10s

Number exercise: Partitioning a 2-digit number.

Draw a line around 10 items and write the remaining numbers as shown in the example.

15 = 10 and 5

Number knowledge - BANANA 15 CIRCLE 10.png

18 = _____ and _____

Number Knowledge - BRINJAL.png

19 = _______ and _______

Number knowledge - CORN.png

20 = _______ and _______

BHENDI.png

13 = _______ and _______

Number knowledge - POTATO.png

11 = _______ and _______

Number Knowledge - Bottle gourd.png

12 = _______ and _______

Number Knoweledge - LEMON.png

14 = _______ and _______

Number Knowledge - CARROT.png

Activity : Expanded forms of Numbers

Number Exercise: Partitioning a 2-digit number (20 to 99) An introduction to place-value system

Write each number identifying the number of groups of 10s

34 has 30 and 4 78 has 70 and 8 91 has ______ and ______
47 has ______ and ______ 71 has ______ and ______ 40 has ______ and ______
63 has ______ and ______ 98 has ______ and ______ 39 has ______ and ______
76 has ______ and ______ 81 has ______ and ______ 53 has ______ and ______
33 has ______ and ______ 41 has ______ and ______ 59 has ______ and ______
Write the missing number
99 has 90 and 9 36 has 30 and 6 85 has ______ and 5
66 has 60 and ______ ______ has 20 and 8 43 has ______ and 3
______ has 20 and 4 67 has 60 and ______ ______ has 80 and 8

Activity: Identifying and writing expanded forms

Number Exercise: Writing expanded forms (75 to 120)

Number knowledge - Building blocks.png One stack here has 10 blocks.

There are 10 blocks below.

Number knowledge - block.png Number knowledge - block.png Number knowledge - block.png Number knowledge - block.png Number knowledge - block.png Number knowledge - block.png Number knowledge - block.png Number knowledge - block.png Number knowledge - block.png Number knowledge - block.png

How many stacks and blocks are needed for the following numbers. Find the missing spots.

76 Seventy - six Seven Stacks and Six Blocks
119 _______________ Ten Stacks and Nineteen Blocks
Ninety - five ________ Stacks and ________ Blocks
110 One hundred ten ________ Stacks and ________ Blocks
107 _______________ ________ Stacks and ________ Blocks
120 _______________ ________ Stacks and ________ Blocks
One hundred fourteen ________ Stacks and 4 Blocks
87 _______________ 8 Stacks and ________ Blocks
102 _______________ ________ Stacks and ________ Blocks
90 _______________ ________ Stacks and ________ Blocks

Activity: Count forward and backward (1s, 2s, 3s, 5s)

Number Exercise: Count forward and backward 50 to 99 (by 1s, 2s, and 3s).

Count forward by 1 and colour that flower yellow. Count backward by 2 and colour that flower red. Write all the numbers in the line given below.

Number knowledge - Lotus flowers and circles with numbers.png

Count by 3 and circle the numbers starting from 1. Join the circled numbers. Colour the picture yellow.

424.667x424.667px

Count by 5 and colour that box red. Count by 10 and colour that box yellow.

5 10 15 20 25 30 35 40 45 50
23

References