Term 1 Sept-Oct Revision

Fractions & Decimals

100

When fractions are being added or subtracted, to simplify, we are expected to 

Find the LCM

200

When multiplying decimals, the answer should have a ______ of the decimals we started with, while when dividing we have the _______ 

sum, difference

300

True or False

8.9352 rounded to 2 decimal places is 8.94

True

400

When we are presented with fractions being divided we should: _____, _____ and ____

Keep, Change, Flip

500

2.48 - 0.311 =

2.169

Approximation

100

What is 0.00025 expressed in standard form? 

2.5 x10^-4

200

State 1 reason that makes a digit not significant 

-leading zeros are not significant

-trailing zeros, when there is NO decimal point present are not significant  

300

State 2 means by which a number is considered a significant figure

- all non zero digits are significant

- zeros between non-zeros digits are significant

-trailing zeros in a whole number with a decimal point present 

-trailing zeros to the right of a decimal point are significant 

400

4 x 10³ means we need to move the point ____ spaces to the ____ to _____ the original number, giving _______

three (3), right, RESTORE, 4,000,000 

500

10,023.586 written to 7 significant figures is

10,023.59

Laws of Indices

100

4⁰  x 4¹

4

200

Rewriting a fractional index, your denominator will become the _____ and the numerator the _______

root, power

300

Simplifying (a¹⁰)² x a⁵ gives 

a²⁵

400

(p⁸ x p⁷) ÷ (p²)³ =

p⁹

500

When presented with a negative index, its rewritten as a __________ with _____ as the numerator and the denominator becomes __________ but ______

fraction, 1, what was given, positive

Algebra

100

Expanding 5(p+q) is 

5p + 5q

200

Distributing 3(m - 2n) gives

3m - 6n

300

Simplify 6f + 5g - 2f - 3g

4f + 2g

400

-3(2m - 3p) expanded gives

-6m + 9p

500

5(q - r) - 2(q - r) expanded becomes

5q - 5r -2q + 2r