Rounding
Round 67 to the nearest ten
70
132+634
756
78+294
380
the name of an answer to an addition problem is _____
sum
Round 48 to the nearest ten
50
1,204+2,312
3,516
268+794
1100
The normal way of doing addition is called the _________
standard algorithm
round 342 to the nearest hundred
300
12,345 + 27,678
40,023
983+2786
4000
ones
round 7,867 to the nearest thousand
8,000
21,890 + 38,765
60,655
77,948+605
78,600
exact answers are when
you add the exact answers
round 99,679 to the nearest ten thousand
100,000
45,321 + 12,879
58,200
56,894,+6,435
63,000
estimate is when
you make an educated guess using rounded numbers