Multiplication
9 x 1
9
What is 1 more than 75?
76
What does Standard Form mean?
numbers written in the regular way, 452
Estimate by rounding to the nearest 10.
75 + 12
90
80 + 10 = 90
92 + 64
156
Which is greater 35 or 53?
53
243; 343; 443; 543......
What is the pattern?
Adding (by 100)
Next Answer: 643
What is a Digit?
a number 0-9
Round to the greatest place.
634 + 788
1,400
600 + 800 = 1,400
387 + 251
638
3 x 3
9
495, 505, 515, ___, ___, 545
Name the missing numbers.
What is the pattern?
Adding by 10
Next Number:
525, 535
When we want to get a number close to the actual number/value, what is that called?
an estimate
Estimate by rounding to the nearest hundred.
305 + 853
1,200
300 + 900 = 1,200
834 + 486
1,320
6 x 3
18
10 more than 723
100 more than 723
1,000 more than 723
733; 823; 1,723
2 x 10
20
Estimate by rounding to the nearest ten.
578 + 409
990
580 + 410 = 990
6,345 + 2,946
9,291
7 x 4
28
1,000 more than 9,876
100 more than 9,876
10 more than 9,876
1 more than 9,876
10,876; 9,976; 9,886; 9,877
5 x 8
40
Estimate by rounding to the nearest ten.
2,356 + 4,810
7,170
2,360 + 4,810 = 7,170
7,895 + 3,647
11,542