122 TMD How to Calculate Probabilities, Part 2

Tweet Learn how to solve last week’s brain teaser and use probability trees to calculate probabilities. SPONSOR: Use the code MATH to be entered to win a cash prize at http://stitcher.com/math. Listen to the math podcast here . . . → Read More: 122 TMD How to Calculate Probabilities, Part 2

Square numbers and square roots

Tweet A square number is a whole number multiplied by itself for example 3 x 3 = 9. This makes 9 a square number. By Year 6 most children will be familiar with square numbers and hopefully will know the first ten or so square numbers off be heart as they all appear in the times [...] . . . → Read More: Square numbers and square roots

Resource of the week: year 5 square numbers

Tweet This is just one of a short series of square number maths worksheets for Year 5.  It is an interesting and worthwhile exercise asking children to see if they can make a square out of 10 or 12 smaller squares (not overlapping etc) using plastic or card squares. Rectangles are possible, but not squares. They [...] . . . → Read More: Resource of the week: year 5 square numbers

Year 3 maths worksheet: adding 3 numbers

Tweet Here we have another page of addition which looks at adding three numbers. Each number is a multiple of 5, but there is an extra twist in that children need to work out how many different additions can be made from the numbers available. A systematic approach is needed, perhaps starting with the largest three [...] . . . → Read More: Year 3 maths worksheet: adding 3 numbers

Divide 3-digit numbers by 7

Tweet Here is another page for practising the short division method. When I was young I was taught the short method before the long method and by repeated practice learned the method, although probably not knowing why it works. Today the long method is usually introduced first as a means of showing exactly how it works, [...] . . . → Read More: Divide 3-digit numbers by 7

Resource of the Week: half way between

Tweet This week I am highlighting a page which, on the face of it this looks quite a simple task, but many children (and adults) find very tricky. The page is on how to work out what half way between two numbers is. Often there is a lot of ‘trial and improvement’ going on in people’s [...] . . . → Read More: Resource of the Week: half way between

Short multiplication by 6

Tweet Here is the latest worksheet which looks at the short multiplication method; this time multiplying 2-digit numbers by 6. It is called the short method because it eliminates the process of putting parts of the answer in two or three columns below, as in the ‘long’ method. The stages are the same as before: 1. [...] . . . → Read More: Short multiplication by 6

Counting games for Year 1

Tweet Whilst most of the mathsblog site gives away free worksheets I do have a small selection of fun maths games for reception/Year 1 children. Counting is a major part of maths iat this age and by the end of reception should be able to say and use number names up to 10. A good example [...] . . . → Read More: Counting games for Year 1

Useful resources: 0 to 99 number grid

Tweet I recently published a number grid (or number square) from 1 to 100 and today I am publishing a similar page, but for numbers from 0 to 99. Number grids can be used in a wide variety of ways, and many patterns can be found. it shows clearly the pattwern of odd and even numbers [...] . . . → Read More: Useful resources: 0 to 99 number grid

Subtraction of decimals

Tweet Here we have another page which looks at the written method of subtracting decimals. The key here is to lay the question out in the traditional method, with the smaller number below the larger number and with the decimal points in line. Sometimes these can be quite tricky; for example with a subtraction such as [...] . . . → Read More: Subtraction of decimals