Addition
What is the answer to an addition problem?
Sum
What word do you use as an answer to a subtraction problem?
Difference
17 to the Nearest 10
20
37( ) 37
< > or =
=
Name the word we talked about in class that can mean Estimating
About
56
+ 37
93
87
- 22
65
234 to the nearest hundred
200
78 ( ) 56
< > =
>
68 ___
+ 23 +___
= ___
70
- 20
= 90
+283
408
72
- 25
47
360
26( )45
< > =
<
82 ___
- 46 - ___
=___
80
- 50
= 30
568
+332
900
345
-117
228
68 Round to the Nearest 10's and 100's
Tens: 70
Hundreds: 100
86( )145
< > =
<
725 ___
+235 - ___
= ___
700
+200
= 900
684
+336
1,020
600
-125
475
1,346 Round to the Nearest Hundreds and Tens
Hundreds: 1,300
Tens: 1,350
1,458( )1,156
< > =
>
981 ___
- 422 - ___
= ___
1,000
- 400
= 600