Understanding Basic Math Concepts with Examples
Explore various math concepts including percentages, fractions, decimals, conversions, and ordering based on correctness in a visual and interactive manner. Practice questions to test your understanding are also provided.
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1a) What percentage of the hundred square is shaded? b) What fraction on the hundred square is shaded? 2a) What percentage of the bar model is shaded? b) What fraction of the bar model is shaded?
1a) What percentage of the hundred square is shaded? 16 % b) What fraction on the hundred square is shaded? 4 25 16 100 10% 2a) What percentage of the bar model is shaded? 85 % b) What fraction of the bar model is shaded? 17 20
Lets recap = one hundredth 1 100 = 0.01 = 1 % =10 100 =1 10 = ten hundredths 10 = one tenth = 0.1 10 % percentage out of one hundred
Have a think 56 100 56 % c 56 % 0 . 56 5 tenths and 6 hundredths 56 hundredths out of one hundred 0. 97 100 0 . 97 97 % 33 100 33 % c 0 . 33
Have a think 20 4 5 80 100 80 80 % c 0 0 . 8 = 20 25 75 100 3 4 = 0 . 75 75 % 25 10 30 100 3 10 30 % 0 . 3 0 c = 10
Convert 9 % and 0.3 into fractions, decimals and percentages. Have a think 0.3 9 % 9 9 9 % = 100= 0.09 100 0.3 =3 10=30 30 100= 30 % 100
Have a go at questions 1 - 4 on the worksheet
Four children were completing some maths work. Put the children in order of who got the most correct. 17 20 correct 2nd Have a think F 85 100 D P 0.85 85 % 84 100 84 % correct 0.84 84 % 3rd 80 100 0.8 correct 0 0.8 80 % 4th 88 100 12 % incorrect 88 % correct 0.88 88 % 1st
Im thinking of a fraction can you guess what it is? - It is less than 73 % - It is greater than 0.4 - It has a denominator of 5 1 5 20 5 5 4 5 2 5 3 5 20 100 40 100 60 100 80 100 20% 40% 60% 80% Have a think 0.2 0 0.4 0.6
Have a go at the rest of the questions on the worksheet
