Rounding to 10's
78
80
235
200
43 + 32=
40 + 30= 70
Mrs. Heitkamp has 38 cookies and her sister had 42 cookies. How many did they have total estimated/rounded?
40 + 40= 80
46 + 46=
92
34
30
443
400
55 + 28=
60 + 30= 90
I found 78 seashells and Nora found 23. How many did we find together estimated/rounded?
80 + 20= 100
How much? 3 dimes, 2 nickels, 4 pennies
44 cents
21
20
126
100
89 + 21 =
90 + 20= 110
William has 35 basketballs and Ben has 56. How many do they have total estimated/rounded?
40 + 60= 100
26 - 13=
13
5
10
589
600
78 + 5=
80 + 10 = 100
I went to 16 baseball games and Addison went to 24. How many did we go to in total rounded/estimated?
20 + 20= 40
Which number is in the tens place? 456
5
91
90
665
700
93 + 14=
90 + 10= 100
Leo had 67 legos and I had 43. How many did we have in total estimated/rounded?
70+ 40= 110
Write this number in expanded form- 452
400 + 50 + 2