Adding and subtracting (AQA GCSE Maths): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
ShowHide
Practise the questions
10 questions from this quiz
When using column methods, which column should you always start with?
When using column methods, which column should you always start with?
The units column (right-hand side)
What is the first step in the mental addition strategy for calculating ?
What is the first step in the mental addition strategy for calculating ?
Split 79 into 70 and 9
In mental subtraction by counting up, what do you count from to first when calculating ?
In mental subtraction by counting up, what do you count from to first when calculating ?
The next multiple of 10
In column addition, when should you carry over to the next column?
In column addition, when should you carry over to the next column?
When the column total is 10 or more
When does exchange (borrowing) become necessary in column subtraction?
When does exchange (borrowing) become necessary in column subtraction?
When top digit is smaller than bottom
Why is it helpful to work in pence when solving money problems?
Why is it helpful to work in pence when solving money problems?
It avoids decimal numbers
When adding the units column gives 12, what should you write down and what should you carry?
When adding the units column gives 12, what should you write down and what should you carry?
Write 2, carry 1
Using mental methods, what is ?
Using mental methods, what is ?
292
Using counting up method, what is ?
Using counting up method, what is ?
89
What helps mental methods work effectively for addition and subtraction?
What helps mental methods work effectively for addition and subtraction?
Using number sense and place value
