Search Results For “multiplication and division missing numbers”

Number lines with numbers only at each end make it tricky to say where the arrows are placed. Some degree of error has to expected with this task!

Judge which is the best approximate answer by rounding numbers.

When multiplying 2-digit numbers by 1-digit in your head usually it is easier to start with the tens.

Binary trees are often used in science, but here we use them to sort numbers.

Revision of adding several small numbers mentally, using strategies learned earlier.

Use the standard written method to subtract numbers in the thousands. Check by adding the answer to the lower number in the sum.

How about trying to multiply by 14 or 16 in your head?

The prime factors of a number are the factors which are also prime numbers. They can be found by using a factor tree.

Find a route through the maze from IN to OUT adding the numbers as you go.

Find pairs of numbers in the three times table that make these answers.

Finding all the products of a set of numbers.

A set of mental arithmetic questions aimed at multiplying numbers by 4 by doubling twice.