Dealing with the ANA Making things easier

What’s on the menu today? Grade 6 Mental Maths Calculating Time Multiples Remainders Patterns Input and Output values Grade 9 Square Root and Cube root Factorisation Factor pairs Prime Factorisation Lowest Common Multiple and Highest Common Factor Percentages Exponents Pythagoras Bonus: Class Marks!

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Mental Maths Drill Mode Press Answer the questions and press If you accidently type in something wrong press Math Drill Question?25 ◄ + ‒ x ÷ + ‒ x ÷ ► SELECT & [ENTER] COMPETITION!! Don’t forget to come past our stand – fastest time wins a SHARP microwave!!

Calculating Time Press If Suzy gets onto the bus at 10:22 am and gets off the bus at 1:51pm, how long was she on the bus for?

Don’t worry, we got this First convert times to 24 hour time: 10:22 stays the same 1:51 becomes 13:51. Now type in 13º51-10º22_ 13º51-10º22= 3º29’0.”

Remainders A simple example: 256 ÷ 3 Type it into the calculator To find the remainder subtract the answer ( ) And multiply by the divisor ( ) And the final answer is your remainder. ANS-85= ANSx3= 1.

Square Root and Cube Root

Exponents

PRIME FACTORIZATION!!!!!! Press Type in the number you want to prime factorize. Press Tada!! 96 = 2 5 x3

Lowest Common Multiple and Highest Common Factor E.g. Find the LCM and HCF of 180 and 96 Write all the factors of 96 down in a row: 2 x 2 x 2 x 2 x 2 x 3 Find the prime factors 180 And match them with the factors of 96, if they don’t match, start a new column 180= 2 2 x3 2 x5

Like this: 96= =22335 Columns that match are for the HCF and all the columns multiplied will be the LCM: HCF = 2 x 2 x 3 = 12 LCM = 2 x 2 x 2 x 2 x 2 x 3 x 3 x 5 = 1 440

Percentages Adding 14%: 14% of 256: Try. to change the way answer looks

Class marks Press Type in what you are converting to, e.g. 100 Press Type in what you are converting from, e.g. 80 Press Type in first student’s mark Press Then simply type in the next student’s mark and again

Pythagoras Type in the x-coordinate Press Then type in the y-coordinate Press

Multiples Lets find the multiples of 16: Press 16 X_ X ANS

Patterns E.g. 3x +1 Press 3X+1_ X ANS

Factor Pairs Finding Factor pairs of 36 Type in X ANS

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