1. LI: To be able to organise numbers by thinking about place value
Steps to Success…
Be able to explain the value of each digit in a given number (HTU)
Organise numbers into different groups
Begin to use thousands
(ThHTU)
Be able to say which number is biggest in a pair of numbers
Know about tens and units

2. LI: I can multiply by 10 and 100
Steps to Success…
Know how a number changes when it is divided by 10 or 100
Know how a number changes when we x by 10
Know how a number changes when we x by 100
Recall x facts up to 10x10
Know that HTU is important in multiplication

3. LI: I can find the difference between to pairs of numbers
Steps to Success…
Know that with multiples of 10, 100 or 1000 do not need to consider to 0 ( is same as 4-2 replacing the 000 after)
Know that subtracting the smaller number from the larger = the difference
Spot which number is the smallest of 2 numbers
Subtract mentally pairs of whole numbers

4. LI: I can use rounding to check a calculation
Steps to Success…
Understand that rounding can be used to estimate
Round to the nearest 100
Use rounding to check a calculation
Round to the nearest 1000
Know the doubles and halves of numbers
Know which numbers round up and which round down (rhyme)
Round to the nearest 10

5. LI: I can use inverses to check a calculation
Steps to Success…
Use inverse operations to find a given number
Know and use division as an inverse of x
Know and use - is the inverse of +
Understand that inverse is a way of checking

6. Use the inverse to check which one is wrong
75 – 25 = 50
20 – 6 = 13
128 – 21 = 107