Download presentation
Presentation is loading. Please wait.
Published byOswald Leonard Modified over 8 years ago
2
Today we will be learning to read and write whole numbers up to at least 1000.
3
Mental Activity We are going to practise adding numbers that are less 20. Try this calculation. + 97
4
910111213141615 We can do this by counting on. We have counted on 7. 9+ 7
5
What strategies would you use to add 2 two-digit numbers quickly? This is one way to do it. Split the tens. Split the units. Count on.
6
64 + 32 = Split the tens.Split the units. 60 + 30 + 4 + 2 = Count on. 60 + 30=90 90 + 4=94 94 + 2 =96
7
Try these. Work out the answer before the question disappears. 53 + 41 = 94 44 + 25 = 69 61 + 37 = 98 53 + 36 = 89 How well did you do at counting on?
8
Main Activity Today we are going to learn how to write numbers in: figures words.
9
Now say this number: eight hundred and forty-seven What digits do we need for this number? 847 Say the biggest number that you know.
10
847 What is each digit worth? UTH
11
Say the number which the red arrow is pointing to. 617 621 626
12
200203 Say this one. 199
13
Try this... 598 593 601
14
Now try this... 403 401 399
15
Group Work Hundred square work. Matching words and digits activity. Hundred square work.
Similar presentations
© 2025 SlidePlayer.com. Inc.
All rights reserved.