Currently viewing the tag: "Decimals"
Choose one of the 7 Pelmathism Games, they are all played to the same rules. The cards illustrate numbers and show them written as fractions, decimals and percentages. Each number occurs twice in the pack of 36 cards in 2 of the possible representations.
Shuffle the cards and place them face down […]
(1) Plot the graphs of the straight lines y = x, y = 1.1x – 0.2
and y = 0.9x – 0.1
What do the graphs tell you about the solutions to the two pairs of simultaneous equations (1a) y = x y = 1.1x – 0.2 and (1b) y = x […]
Both these two numbers are recurring decimal fractions. The digits 12 are repeated again and again indefinitely.
0.12121212…
12.12121212…
Multiply the first number by 100. What do you get?
Subtract the smaller number from the bigger one. What do you get?
What does this tell you […]
The aim is to make square domino loops, like the one in the picture, from 4 dominoes matching the fractions, decimals and percentages. Start with any domino and find 2 other dominoes to match the ends of the first domino.
For example, the [3/10 and 10%] domino matches with 30% at […]
Fractions, decimals and percentages are three different ways of writing the same number and it is important that we can convert one form into another.
Divide 2 by 11 to get the decimal fraction equivalent to the common fraction two elevenths . Carry on dividing until you see a patttern. Will this […]
Practical activities that involve matching equivalent representations of fractions, decimals and percentages to reinforce understanding, and to help learners to remember these concepts.
Click here to download a pdf with all you need to run your own professional development workshop.
Also see this NRICH Fractions Decimals Percentages Interactive Game
A collection of activities and games to develop a confident understanding of place value and decimals and skills at calculating with decimals and estimating the results of decimal calculations.
Click here to download a pdf with all you need to run your own professional development workshop.
Use the symbols > < 1 1 2 3 in the boxes to make correct number sentences.
For example 5.12 < 5.13 is correct and 5.21 >5.23 is wrong.
How many different sentences can you make?
How will you know when you have found them all?
Click here […]
When I went into a classroom earlier this week a child rushed up to tell me she was 8 that day!
Well, Happy Birthday to everyone who has a birthday today!
Whatever age you are, can you find a variety of questions that give your age as the answer? This […]
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