numbers to 40
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![Page 1: Numbers to 40](https://reader035.vdocuments.net/reader035/viewer/2022062418/553aaff15503467d318b45c1/html5/thumbnails/1.jpg)
Whole Numbers
Numbers to 40
What will we learn today?
• Count, read and write numbers • Comparing and ordering numbers• Place values• Number patterns
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Let’s count the items below.
4101010
Make groups of 10 first.
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There are 34 erasers altogether. We can write the number in 2 ways.
Numeral : 34Words : Thirty – four
Since 34 is a 2 digit number, there are 2 place values involved.
34 = 3 tens 4 onesPlace Value Chart
Tens Ones
3 4
30
4
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One more example for you.
10
10
6
There are 26 paper clips.
Numeral : 26Words : Twenty- six
26 = 2 Tens 6 Ones
20
6
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Arrange the numbers in ascending order.
11 33 40 25
11, 25, 33, 40 smallest greatest
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Arrange the numbers in descending order.
14 38 22 19
38, 22, 19, 14 greatest smallest
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Complete the number patterns.
9 19 29 39
+10
+10
+10
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One more example for you.
31 26 22 19
-5 -4 -3
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Are you ready to try out the questions?