Page 109 - steps 3b.pdf

RM 111

Division (2) 3b:27

rn Estimate the answer to Actual
Estimate
each division problem. answer

40 + 5 < 10 = 10 >10
[gJ Decide if the answer is
< 10, = 10 or > 10 72 + 6 <10 = 10 >10

Draw a loop round the qO + 10 <10 = 10 >10
estimate you choose.
56 + 8 <10 = 10 >10
~ Find the actual answer on
the calculator. 50 + 5 <10 = 10 >10

< 10 means less than 10. 63 + q < 10 = 10 >10
> 10 means more than 10.
76 + 4 <10 = 10 >10

40 +- 5 ...
I think the answer 70 + 7 < 10 = 10 >10
will be less than 10. q6 + 8 < 10 10 >10
What do you think? =

42 + 7 <10 = 10 >10

~ Choose numbers between 50 and 100.
Divide them by 2 on your calculator.
Write down each division sentence here.

~ Now complete these sentences.

When I divide an even number by 2, _____ ____ __ _

When I divide an odd number by 2,

J Estimating; dividing 2-digit numbers by 1-digit

e r-------- ------,
Name numbers with a calculator.
Materials: calculator
Date
I
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@ 1993 Collins Educational (an imprint of HarperCoilinsPublishers) STEPS 3b