Moon's Maths Homework Blog

Date: 7th Dec 2017 @ 4:46pm

MATHS HOMEWORK - Due 15.12.17 - Please comment on the blog below.

Can you solve this number problem?

Some cakes have been eaten.

 

Two cakes are left. 

How many cakes could there have been, and how many could have been eaten to be left with 2?

Can you think of three different ways? 

For example...

I could have had 5 cakes and have eaten 3 to be left with 2.

5 - 3 = 2

I could have had 8 cakes and have eaten 6 to be left with 2. 

8 - 6 = 2

I could have had 10 cakes and have eaten 8 to be left with 2. 

10 - 8 = 2

Post your comment

stevie wrote:

3-1=2
7-5=2
9-7=2

Miss Spalvieri wrote:

Wow! Super work Stevie!

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Tommy Woodward wrote:

11 cakes, Tommy ate 9 leaving 2 cakes
11-9=2
4 cakes, Tommy ate 2 leaving 2 cakes
4-2=2
7 cakes, Tommy ate 5 leaving 2 cakes
7-5=2

Miss Spalvieri wrote:

Super star Tommy! I love how you've started past 10!

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Lilly-rose wrote:

4-2=2
5-3=2
9-7=2

Miss Spalvieri wrote:

Super star Lilly-Rose! Well done!

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samule wrote:

3-1=2
3-3=6

Miss Spalvieri wrote:

Well done Samuel, you're right. You could have started with 3 cakes and eaten 1 to be left with 2.

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Ella wrote:

10-8=2
7-5=2
6-4=2

Miss Spalvieri wrote:

Great work Ella! You've done some fantastic investigating.

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Gracie wrote:

6-4=2
4-2=2
11-9=2

Miss Spalvieri wrote:

Great work Gracie! I love how you've calculated past 10.

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Ria wrote:

I could of had 12 cakes and eaten 10 to be left with 2

I could of had 100 cakes and eaten 98 to be left with 2

I could of had 32 cakes and eaten 30 to be left with 2

Miss Spalvieri wrote:

Super Work Ria. I love how you've written in sentences to explain your answer. Well done!

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Joey wrote:

20-18=2
10-8=2
11-9=2

Miss Fellows wrote:

Great work Joey. I love how you've worked with numbers up to 20.

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Laycie wrote:

I could of had 46 cakes and eaten 44 to be left with 2

I could of had 14 cakes and eaten 12 to be left with 2

I could of had 19 cakes and eaten 17 to be left with 2

Miss Spalvieri wrote:

I love how you've written your reasoning in sentences. Super work Laycie!

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Lola wrote:

12-10=2 8-6=2 6-4=2 5-3=2

Miss Spalvieri wrote:

Wow! Super work Lola. What great subtraction number sentences that equal 2.

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Emily-Rose wrote:

4-2=2
5-3=2
10-8=2

Miss Spalvieri wrote:

Amazing work Emily-Rose. What super number sentences!

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Alex wrote:

4-2=2
10-8=2
3-1=2
2-0=2
7-5=2
9-7=2
20-18=2
50-48=2

Miss Spalvieri wrote:

Wow! Look at all that investigating that you have done! I love how you've challenged yourself further!

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Jude wrote:

7 - 5 = 2
11 - 9 = 2
4 - 2 = 2

Miss Spalvieri wrote:

Great work Jude! I love how you and Preston have worked hard on these together. What superstars!

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Preston wrote:

7 - 5 = 2
11 - 9 = 2
4 - 2 = 2

Miss Spalvieri wrote:

Great work Preston! I love how you and Jude have worked hard on these together. What superstars!

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Harvey wrote:

I could have had 12 cakes and have eaten 10 to be left with 2.
12-10=2
I could have had 9 cakes and have eaten 7 to be left with 2.
9-7=2
I could have had 65 cakes and have eaten 63 to be left with 2.
65-63=2

Miss Spalvieri wrote:

I love how you've written these out in word and number sentences. Well done for challenging yourself on the last calculation too. Such a star!

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Kayden wrote:

4-2=2
3-1=2
22-20=2 (kaydens favourite number is 22)

Miss Spalvieri wrote:

Wow Kayden! Great work. Lovely how you've shared your favourite number too. Mine favourite number is two more than yours.
Can you guess what it is?

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Bella wrote:

7-5 = 2
8-6 = 2
9-7 = 2

Miss Spalvieri wrote:

Fantastic work Bella. These are some great subtraction number sentences!

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Michael wrote:

99-97=2 (customers in a cafe are these ones)
12-10=2
100-98=2
20-18=2

Miss Spalvieri wrote:

Wow Michael! How amazing that you have given your calculations a context of customers in a cafe!

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Sofia wrote:

8-6 = 2
6-4 = 2
4-2 = 2

Miss Spalvieri wrote:

Great work Sofia! I like how you've written in number sentences.

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April wrote:

5-3=2
10-8=2
7-5=2

Miss Spalvieri wrote:

Great work April! Superstar!

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