Antarctic Passport
Objective 
Questions you could ask 
Links to activities 
1. To be able to find factors of numbers to 50. 
The factors of 16 are 1, 2, 4, _ and 16.
How many factors does 36 have?
Show all of the factors of 48. 

2. To identify prime numbers to 100. 
How many prime numbers are smaller than ten?
Explain what a prime number is, using the word factor.
Write down all of the prime numbers greater than 50. 

3. To be able to find squares of multiples of 10 to 200. 
Continue this sequence: 400, 900, _____, 2500.
What is 130^{2}? 

4. To divide any number to 30 by 10 or 100, giving answers as decimals. 
Explain, in terms of place value, what happens to a number when it is divided by 10 or 100.
What is 11 shared by 10?
What number is 100 times greater than 0.21?
How many metres is 29 centimetres? 
Multiply and Divide by 10 or 100

5. To know and use tests of divisibility for 2, 3, 4, 5, 9 and 10. 
Which of these numbers is not divisible by 3? 393, 451, 678
I know that the number 2096 is divisible by 4. Why? 

6. To use near doubles to add pairs of 2 and 3 digit numbers and decimals. 
What is 251 + 252?
Calculate 6.9 + 7.1 

7. To be able to multiply any number to 20 by a decimal (0.20.5). 
What is 18 x 0.4?
What is 5/10 of 20? 

8. To be able to multiply any number to 20 by a decimal (0.60.9). 
What is 9/10 of 16?
What does 0.7 need multiplying by to make 14? 

9. To recall mixed multiplication and division facts for 7, 8 and 9 times tables. 
7 x 9 =
108 shared by 9 equals... 

10. To recall pairs of decimal numbers which make 1 
Identify any patterns made by decimals pairs to 1 e.g. 0.56 + 0.44 

11. To recall pairs of numbers which make 100. 
37 + ? = 100
100 – 76 = ?
I have one metre of string. I cut off 45 cm. How much string is left? 

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