Search Results For “odd numbers”

The best way to count larger numbers of objects is to group them into 5s or 10s.

Finding more or less than a number is straightforward, but finding half way between two numbers is much harder.

These pages look at 100 more or 100 less than 3-digit numbers.

Starting with blank 0-10 number lines and moving on to 0-100 number lines, how easy is it to place numbers accurately?

More rounding numbers to the nearest whole ten.

Rounding numbers helps to give a good approximation of an answer. Especially important when using calculators.

A tricky set of mental addition questions, adding teens to 2-digit numbers.

A selection of mini investigations, finding how many different totals can be made.

Knowing pairs of numbers that make 10 will make these pages easy: pairs of multiples of 100 that total 1000.

Adding 9 or 11 to 3-digit numbers by adding 10 and adjusting.

More adding multiples of 10 to 2-digit and 3-digit numbers. The units remain the same in these questions.

Revising subtracting small numbers with the help of a number line.