Estimating Calculations Flashcards
1
Q
Round each number to 1 sig fig ( e.g nearest whole number)
BIDMAS
3.1 X 9.87 / 0.509
A
3 X 10 / 1
= 30
2
Q
89.3 X 0.51 / 4.8
A
90 X 1 / 5
90 / 5
= 18
3
Q
? 4.98 + 2.16 X 7.35
?= square root
A
? 5 + 2 x 7
7x7 = 49
?49
= 7
