Subtracting larger numbers in your head is not always easy, so you can use the column method to take one number away from another. You write the larger number above the smaller number, so that the ...

You can find the difference between two numbers in more than one way. You can count up from the smaller number to the larger number. Or, you can count back from the larger number to the smaller number ...

Becoming comfortable with two-digit and three-digit numbers is an important skill in second grade. Your child will master addition and subtraction problems within one-thousand. But, how your child ...

We’ve created these number bonds Year 1 activity sheets to match the small steps on the White Rose maths schemes of work. The questions include varied fluency with reasoning with problem solving, and ...

EMBED <iframe src="https://archive.org/embed/a2_Mastering_Math_Space_Subtraction_v1.0_1985_MECC_US" width="560" height="384" frameborder="0" webkitallowfullscreen ...

Cath Pearn is affiliated with both the Australian Council for Educational Research and the Melbourne Graduate School of Education, The University of Melbourne. I’m sure most people can remember trying ...

Abstract: This paper describes a class of number representations which are called signed-digit representations. Signed-digit representations limit carry-propagation to one position to the left during ...

Rahul Muralikrishnan believes his late father – with whom he shared a love for maths – would have been quite proud of his achievement. June 21 was a significant day for Rahul Muralikrishnan. That was ...