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Match the equivalence with the rule

Adding and Subtracting Fractions

Expanding and simplifying an expression.

These basic questions will help you understand the increase and decrease in percent change

Two masses in a box which is attached to a string. Finding acceleration by modelling the two masses as the whole system. Find forces exerted by the two masses.

Find the $x$ and $y$ components of a force which is applied at an angle to a particle. Resolve using $F \cos \theta$. The force is applied in the negative $x$ direction but the positive $y$. 

Question 4 of CBA 2;  Testing the length operator.

Face, Place and actual value, adding, subtracting, multiplying, dividing and rounding decimals.

Non-calculator percentage increase and decrease calculations.

This question asks a student to draw a straight line graph by dragging points.