pre-algebra Numeracy and Arithmetic

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Converting between giga, mega, kilo, base, milli and micro, nano. Metres, grams and litres.

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Counting the number of significant figures. 

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Multiplication algorithm with integers

Multiplication algorithm with integers

a) Multiplying decimals with a single non-zero digit. Students are told to preserve the number of decimal places (from the question to the answer). 

b) Multiplying decimals requiring the multiplication algorithm. 

Round random numbers to the closest whole number, 1, 2 or 3 decimals places.

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Natural numbers addition algorithm. 2 and 3 digit numbers. Carrying.

Decimals addition algorithm. 2 and 3 digit numbers. Carrying.

Subtracting a decimal with 3 decimal places from a decimal with 2 or 3 decimal places. borrowing is necessary. This was modified from a subtraction question using integers with each number divided by 1000 so the variables have names referring to ones, tens, hundreds etc.

The subtraction algortihm using the borrow and pay back method with integers.

A single question which asks you to round to the nearest ten, hundred or thousand. 

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Unit rates and converting rates.

This question is to test if you know how to use your calculator correctly.

This question is to test if you know how to use your calculator correctly.

This question is to test if you know how to use your calculator correctly.

Some students believe a decimal is larger if it is longer, some believe a decimal is larger if its first non-zero digit is larger.

Converting base 10 Integers in another base (from 2 to 9)