3 Workoutthemissingfractions.
a)3
13
10
b)
4 Completethecalculations.
a) 25
+ 15
+ =1
b) 25
+ 15
+ =112
c) 25
+ 15
+ = 43
d) 45
= – 45
Mixedadditionand subtraction
1 Workoutthecalculations.
a) 25
+ 34=
b) 214
– 23
=
c) 3 710
–214
=
2 Completethecalculation.
56
+129
– 12
=
©WhiteRoseMaths2019
18
116
14
5 Whichofthesearetrueandwhicharefalse?
Canyoudecidewithouthavingtodotheadditionsor
thesubtractions?
Talkaboutyourreasonswithapartner.
Trueorfalse?
213
+334
is equal to 313
+234
334
– 13
is less than 434
–113
334
–213
is equal to 313
–234
6 Completetheadditiongrid.
114
14
125
1 320
1 150
13
100
=335
=3 39100
=5 920
=
=
=
©WhiteRoseMaths2019
7 Apainterusesthefollowingmixtures.
Howmuchmoregreenpaintdoesshehavethanpurplepaint?
8 EvaandAmirareworkingoutthiscalculation.
FindAmir’ssolution.Explainhowthiscalculationcanbesolved.
14
+ 25100
– 28
– 936
This is going to be very difficult, because
I can’t find a common denominator.
I have found an easier way.
14 l
23 l3
5l 1
5l
purple
paint
green
paint
