Step 1 Count in 10s Classroom Secrets Limited 2018 Introduction Complete the missing numbers on the hundred square 1 2 3 4 5 6 7 8 9 11 12 13 14 15 16 17 18 19 21 22 23 ID: 816760
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Slide1
Year 1 – Summer Block 1 – Multiplication and Division
Step 1: Count in 10s
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Classroom Secrets Limited 2018
Slide2Introduction
Complete the missing numbers on the hundred square.
1
234567
8
9
11
1213141516171819212223242526272829313233343536373839414243444546474849515253545556575859616263646566676869717273747576777879818283848586878889919293949596979899
©
Classroom Secrets Limited 2018
Slide3Introduction
Complete the missing numbers on the hundred square.
1
234567
8
9
10
1112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100
©
Classroom Secrets Limited 2018
Slide4Varied Fluency 1
If one packet of seeds has 10 seeds, how many seeds do 5 packets of seeds have?
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Classroom Secrets Limited 2018
Slide5Varied Fluency 1
If one packet of seeds has 10 seeds, how many seeds do 5 packets of seeds have?
5 packets of seeds will have 50 seeds altogether.
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Classroom Secrets Limited 2018
Slide6©
Classroom Secrets Limited 2018
Varied Fluency 2
If one box holds 10 toys, circle the boxes you need to hold 60 toys.
Slide7©
Classroom Secrets Limited 2018
Varied Fluency 2
If one box holds 10 toys, circle the boxes you need to hold 60 toys.
You will need 6 boxes.
Slide8©
Classroom Secrets Limited 2018
Varied Fluency 3
Complete the sequence to find the missing numbers.
50 ,
60 ,
70 ,
,
Slide9©
Classroom Secrets Limited 2018
Varied Fluency 3
Complete the sequence to find the missing numbers.
50 ,
60 ,
70 ,
80,90
Slide10Varied Fluency 4
Label the missing numbers on the number line.
30
40
50
80
90
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Slide11Varied Fluency 4
Label the missing numbers on the number line.
30
40
50
60
70
8090© Classroom Secrets Limited 2018
Slide12Reasoning 1
Lea is counting in 10s starting from 10. She thinks she will land on the number 44.
Is she correct? Explain your answer.
1
2
3
4567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586
87
88899091929394959697
98
99
100
©
Classroom Secrets Limited 2018
Slide13Reasoning 1
Lea is counting in 10s starting from 10. She thinks she will land on the number 44.
Is she correct? Explain your answer.
Lea is not correct because…
1
2
34567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586
87
88899091929394959697
98
99
100
©
Classroom Secrets Limited 2018
Slide14Reasoning 1
Lea is counting in 10s starting from 10. She thinks she will land on the number 44.
Is she correct? Explain your answer.
Lea is not correct because all the numbers she lands on end in ‘0’.
1
2
345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485
8687
88899091929394959697
98
99
100
©
Classroom Secrets Limited 2018
Slide15©
Classroom Secrets Limited 2018
Problem Solving 1
Each flower has 10 petals. One bee can rest on each petal.
Are there enough petals for 50 bees to rest on?
Slide16©
Classroom Secrets Limited 2018
Problem Solving 1
Each flower has 10 petals. One bee can rest on each petal.
Are there enough petals for 50 bees to rest on?
There are enough petals because there are 5 groups of 10 petals, so there are 50 petals altogether.
Slide17Reasoning 2
Suki thinks the arrow is pointing to 40.
Is she correct? Explain how you know.
30
90
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Classroom Secrets Limited 2018
Slide18Reasoning 2
Suki thinks the arrow is pointing to 40.
Is she correct? Explain how you know.
Suki is not correct because…
30
90
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Classroom Secrets Limited 2018
Slide19Reasoning 2
Suki thinks the arrow is pointing to 40.
Is she correct? Explain how you know.
Suki is not correct because the arrow is pointing to the number 70.
©
Classroom Secrets Limited 2018
30
405060708090