1. Use the steps on the previous page to fi nd the whole number if: a) 2


– 3 = 8


– 3 =


1


– 3 =


3


– 4 = 15


f) 3. 2


– 8 = 21


3


b) 4 1


– 8 =


8


b) 5 g) 9


– 6 = 45


– 9 = 46


– 8 = 16


– 8 =


c) 2 1


– 9 =


1


c) 3 h) 5


– 9 = 18


– 9 = 18


– 9 =


d) 4 __


10 = 20 1


__ 10 =


10


__ 10 =


2. Complete the following in your copy. What is the whole number if: a) 3


d) 4 __


– 8 = 100


many children altogether are in the school?


4. Matthew decided to splash out and buy the brand new Energy football boots. He spent 7


did Matthew have altogether? 5. Lily spent 3


– 5 of her homework time doing her maths homework. If she spent 21


minutes completing her maths homework, how long in total did she spend doing her homework?


The Adventures of Agent Jane Jackson Agent Jackson, you have 90 minutes


to stop the evil Dr Frown and save the world from certain doom!


Location: Police HQ, Co. Leitrim


Agent Jackson has received an email from the evil Dr Frown. 1. She spends 1


did it take to crack the code?


2. Once she has cracked the code, she sees that there are 32 possible locations for Dr Frown’s evil lair. She quickly realises that she will need a partner on this diffi cult job and decides to bring in Agent O’Kay. He is given the task of inspecting 3 locations. How many locations did Agent O’Kay have to inspect?


– 8 of the


3. Agent Jackson then goes to get supplies. She spends 2


__ 10 of her original time


collecting supplies. How long does she spend collecting supplies?


4. After cracking the code and collecting her supplies, how much time remains for Agent Jackson to save the world?


108 Fractions 2


– 9 of her time trying to crack the code of Dr Frown’s evil email. How long


– 8 of his money on the football boots. If the boots cost €63, how much money


i)


12 = 24 7


__ 12 = 63


– 5 of the children in Holy Family primary school are boys. If 130 children are boys, how


e) 3 1


– 5 =


5


e) 6 __


10 = 42


– 5 = 33


– 5 =


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