(a) Estimate the answer to 692 − 386 692 rounds to
1
to the nearest 100
386 rounds to
to the nearest 100
−
=
(b) Copy and complete the calculation using the two different methods. 692 − 386 = − 300 = 80 − 80 = − 6 = + + =
− 300
− 4
− 2 − 80
692
1 Subtract the following amounts from the number shown here.
(a) 253
(b) 138
(c)
(d) 249
314
192
9781380050687__text.indb 192
03/05/2022 10:20
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