Grades K8 Worksheets
Looking for highquality Math worksheets aligned to Common Core standards for Grades K8?
Our premium worksheet bundles contain 10 activities and answer key to challenge your students and help them understand each and every topic within their grade level.
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Follow these steps to answer the questions below:
The first one is done for you. Use it as an example. 

18 + 5 = 23 
29 + 4 = 33 
39 + 7 = 46 
28 + 8 = 36 
37 + 7 = 44 
78 + 7 = 85 
 Page Break
Follow these steps to answer the questions below:
The first one is done for you. Use it as an example. 

18 + 5 = 23

68 + 6 = 74 
59 + 8 = 67 
48 + 8 = 56 
89 + 6 = 95 
49 + 5 = 54 
You will find a similar worksheet here that covers bridging through 10. e.g. 8 + 4 = 12
 Note: The Information below this point will not be sent to your printer 
Related Resources
The various resources listed below are aligned to the same standard, (2NBT05) taken from the CCSM (Common Core Standards For Mathematics) as the Addition and subtraction Worksheet shown above.
Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.
Flashcard
Game
Matching Game
Lesson
Quiz
 Addition with making 20 e.g. 18 + 7 = 25
 Addition with making multiples of 10 e.g. 66 + 8 = 74
Worksheet
Bridging
Number bonds
 Number bonds to 20 e.g.8 + ___ = 20
 Number bonds to 30 e.g.26 + ___ = 30
 Number bonds to 40 e.g.12 + ___ = 40
 Number bonds to 50 e.g.17 + ___ = 50
 Number bonds to 100 e.g. 43 + ___ = 100
 Number Bonds To 100 (with blank number lines)
Slightly Different
 Adding To Subtract e.g. 45  27 = (45+3 = 48)  (27+3=30) = 18
To 100
 2digit & 1digit  no regrouping e.g. 34 + 5, 56  4
 2digit numbers  no regrouping e.g. 42 + 36, 34 + 12
 2digit numbers  regrouping e.g. 47 + 16, 78  29
 2digit  1digit  no regrouping e.g. 68  5
 2digit  1digit  regrouping e.g. 65  7
 2digit  2 digit  no regrouping e.g. 86  43
 2digit  2digit  regrouping e.g. 57  39
Similar to the above listing, the resources below are aligned to related standards in the Common Core For Mathematics that together support the following learning outcome:
Use place value understanding and properties of operations to add and subtract
 Adding 3 Numbers (in easiest order) e.g. 27 + 13 + 15 (From Worksheet)
 Addition & Subtraction: 1 of 3 (within 1000) (From Worksheet)
 Addition & Subtraction: 2 of 3 (within 1000) (From Worksheet)
 Addition & Subtraction: 3 of 3 (within 1000) (From Worksheet)
 Subtracting with Regrouping Ten (includes base ten block visuals) (From Worksheet)
 Subtraction with regrouping (with place value blocks) (From Worksheet)
 Three 1digit numbers e.g. 3 + 4 + 8 (From Worksheet)
 Three 2digit numbers e.g. 35 + 14 + 26 (From Worksheet)
 Four 1digit numbers e.g. 3 + 4 + 8 + 2 (From Worksheet)