Mental addition and subtraction
Name :
Class :
Date :
Mark :
1) Work out
/12
%
[12]
a)
125 + 500
b)
352 + 50
c)
124 + 7
.........
d)
774 − 8
.........
e)
795 − 50
f)
672 − 400
g)
10 + 42
.........
h)
16 + 47
.........
i)
200 + 440
j)
98 − 84
.........
k)
93 − 75
.........
l)
878 − 123
.........
.........
.........
.........
.........
.........
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Solutions for the assessment Mental addition and subtraction
1) a) 625
b) 402
c) 131
d) 766
e) 745
f) 272
g) 10 + 42 = 52
h) 16 + 47 = 63
i) 200 + 440 = 640
j) 14
k) 18
l) 878 − 123 = 755
Copyright Mathster.com 2016. Licensed to Thornleigh Salesian College, Bolton