3rd Grade
Rounding
Rounding
Round the number 86 by tens.
90
Isabella has 14 books. Erin has 24 books. How many more books does Erin have THAN Isabella?
10 books
What is the missing number?
112, 115, ,121, 124
118
169 - 74 =
95
Triple Points!!
What is the answer to an addition problem?
sum
Daily Double!!!
243 Rounded to the nearest hundred
200
The second grade has 39 students. Third grade has 50 students. How many students do they have in all?
89 students
2, 4, __, 8, 10, 12, ____, 16
6, 14
432 - 122
310
To take away one quantity from another?
Subtraction
Round the number 927 to the nearest 10
930
There are 11 more adults THAN children at a craft fair. There are 54 adults at the craft fair. How many children are at the craft fair?
43 Children
Daily Double!!!!!
10, 20, 30, ___, ____, 60
40, 50
What is 567 - 234?
333
What is the answer to a subtraction problem?
Difference
699 to the nearest 100
700
Caleb is 17 years old. His sister is 12 years younger. How old is Caleb's sister?
5 years old
0, 4, 8, 12, 16, 20, ?,
What is the missing number?
24
600 - 238?
362
How much a place is worth depending on its place?
Place Value
Round 909 to the nearest hundred
900
Dylan and his friends had some blueberries. They ate 39 blueberries. They have 21 blueberries left. How many blueberries did Dylan and his friends have at first?
60 blueberries
25, 30, 35, ____, 45, 50
40
500 - 139?
361
A close guess?
What is an estimate