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# Maths term 1

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Colourful Hornet

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[Front]

Move to the left depending on how many dp were are rounding too.
[Back]

Rounding decimals

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### Questions:

27 questions
 🇬🇧 🇬🇧
 Move to the left depending on how many dp were are rounding too. Rounding decimals
 Divide the top and bottom by a certain number that is the same for both Simplified fractions
 How many times the bottom goes into the top number is the whole number and then the amount left over is the numerator. The denominator stays the same. Improper fractions into mixed numbers
 The denominator stays the same. the whole number x the denominator + the numerator is the final numerator Mixed numbers into improper fractions
 1. if the bottoms are the same just add\subtract the top together 2. if they are different you can simplify one to make the bottoms the same 3.use 'smiles and kisses' denominator is the bottom multiplied. The numerator is left top x right bottom +/- right top x left bottom 3 Methods to add or subtract fractions fractions
 Change to improper Mixed number + Mixed number method
 Step 1. change to improper fraction if needed 2. multiply the top and bottom Multiply fractions method
 Step 1. first fraction remains the same 2. flip second fraction upside-down 3. change divide to multiply Divide fractions method
 Step 1. turn percentage into decimal (divide by 100) 2. multiply your amount by that decimal Percentage of of an amount method
 Multiply your amount by (1+ whatever the percentage is as a decimal). Percentage increase
 Multiply your amount by (1- whatever your percentage is as a decimal). Percentage decrease
 Calculate 2/5 of 20 The word 'of' means multiply Fraction of an amount method
 The place value of the last digit is what the number is over e.g 0.8 = 8/10 0.14 = 14/100 and then simplify Decimals into fractions
 Numerator ÷ Denominator Fractions into decimals
 Write the percentage over 100 and the simplify Percentages into fractions
 Multiply by 100 and then add the percentage symbol on the end Decimals into percentages
 Divide by 100 Percentages into decimals
 Change to decimal and then multiply by 100% Fractions into percentages
 B – Brackets E – Exponents D/M – Division or Multiplication A/S – Addition or Subtraction BEDMAS
 New value- old value ÷ old value x 100% Percentage change
 ++ = + +- = - -+ = - -- = + Integers + and - rules
 Every two negatives equal to positive When multiplying and dividing Negative numbers
 Divide each part by the highest common factor. e.g 7:21 7 is the highest common factor Simplifying ratios
 1. Add together the total number of parts of the ratio 2. Divide the given amount by the total number of parts 3. Multiply the answer by each ratio amount 4. Check that your answers add up to the same total given in the question Dividing by a ratio
 Index form 3⁶ is written in...
 Cube root of 64 3, shift, ^, 64 Cube roots on calculator
 5x4x3x2x1 The factorial 5! is written out as...