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Mathematics

How many different answers can you find? Remember the crocodile always eats the bigger amount.

Can you spot the mistake? Think carefully about greater than and less than. Can you create your own problem for someone in your family?

Counting in 10's. Complete the missing numbers.

 

0, 10,? , 30, ?, ?, 60, 70 , 80, 90, ?, ?, 120

 

50, 40, ?, 20, ?

 

40, 50 ,?, 70, ?, 90, ?

 

Challenge:

 

11, 21, ?, 41, ? , ?, 71, 81

 

What is the same? What changes?

Think about what numbers you would add to 11, to give you the numbers in the list. For example: 11 +? = 14. The number has to be in the box.
Write your number bonds to 10 and 20 and count how many you can find for each. Is the statement true or false?

Arithmetic - Answers below

1. 20 + 0 =

2. 18 + 1 = 

3. 0 + 19 = 

4. 12 + 8 = 

5. 9 + 4 = 

6. 17 - 17 =

7. 19 - 10 = 

8. 9 - 8 = 

9. 3 - 2 = 

10. 0 - 0 = 

Arithmetic answers

1.20

2.19

3.19

4.20

5.13

6.0

7.9

8.1

9.1

10.0

 

Finding half of an amount - Draw pictures to help you. You could have different shapes.

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