!
Fractions:+Finding+the+Original+
Video+138+on+www.corbettmaths.com
Question+1:+ Find+the+original+number+for+each+question+below.+
(a)+ + + + + + + (b)+
(c)+ + + + + + + (d)+
+
(e)+ + + + + + + (f)+
+
(g)+ + + + + + + (h)+
+
Question+2:+ Find+the+original+number+for+each+question+below.+
(a)+ + + + + + + (b)+
+
(c)+ + + + + + + (d)+
+
(e)+ + + + + + + (f)+
+
(g)+ + + + + + + (h)+
+
Question+3:+ Find+the+original+number+for+each+question+below.+
+
(a) A+number+is+increased+by+++++++to+16.++What+was+the+number?+
+
(b)+++A+number+is+increased+by+++++++to+36.++What+was+the+number?+
+
(c)+++A+number+is+decreased+by+++++++to+21.++What+was+the+number?+
(d)+++A+number+is+decreased+by++++++++to+162.++What+was+the+number?+
(e)+++A+number+is+increased+by++++++to+49.++What+was+the+number?+
Examples
Workout
© CORBETTMATHS 2017
Click&here
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!
Fractions:+Finding+the+Original+
Video+138+on+www.corbettmaths.com
+
(f)+++A+number+is+increased+by+++++++to+22.++What+was+the+number?+
+
(g)+++A+number+is+decreased+by+++++++to+12.++What+was+the+number?+
(h)++A+number+is+decreased+by++++++++to+1400.+What+was+the+number?+
+
+
+
Question+1:+ Rebecca+is+++++++of+Barry’s+age.+
++Barry+is+++++++of+Neville’s+age.+
++If+Rebecca+is+4+years+old,+how+old+is+Neville?+
+
Question+2:+ A+new+snack+bar+contains+7.5g+of+sugar.+
++++++++++of+the+snack+bar+is+sugar.+
+ + Work+out+the+mass+of+the+snack+bar.+
Question+3:+ In+a+class,++++++++of+the+students+have+blonde+hair.+
++There+are+20+students+without+blonde+hair.+
+
+ + How+many+students+are+in+the+class?+
Question+4:+ The+height+of+a+tree+increased+by++++++++during+2016.+
+ + The+tree+is+2.47m+by+the+end+of+2016.+
++Work+out+the+height+of+the+tree+at+the+beginning+of+2016.+
+
Question+5:+ Laura+invested+some+money.+
+
+ + In+the+Zirst+year,+the+amount+of+money+increased+by++
+
+ + In+the+second+year,+the+amount+of+money+increased+by++
+ + In+the+third+year,+the+amount+of+money+decreased+by++
+ + Was+the+investment+a+success?+
Apply
© CORBETTMATHS 2017
!
Fractions:+Finding+the+Original+
Video+138+on+www.corbettmaths.com
+
+
Answers
© CORBETTMATHS 2017
Click&here
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