An Addition and Subtraction Worksheet - by HelpingWithMath.com

Number Bonds To 100. Adding What Number Makes 100?

HelpingWithMath.com Home Page

Show Answers

------ Note: The Information above this point will not be sent to your printer --------

Look at the 4 steps in the example below and then try the questions that follow.

  64 + ___ = 100

Step 1: Put the problem on a number line.

Adding to 100 - step 1

Step 2: What is the gap to the next multiple of 10?

Adding to 100 - step 2

Step 3: What is the gap from there to 100?

Adding to 100 - step 3

Step 4: Add to get the total difference.

Adding to 100 - step 4

 

Follow the steps shown above and mark the 'jumps' and numbers on the number lines to help find the missing number. The first one is done.

27 +  73   = 100

number line example showing difference between 100 and 27

66 +   34   = 100

 

blank number line

--------- Page Break-------------

Follow the examples and steps on page 1 to answer these questions:

35 +   65   = 100

 

blank number line

26 +   74   = 100

 

blank number line

79 +   21   = 100

 

blank number line

87 +   13   = 100

 

blank number line

18 +   82   = 100

 

blank number line

67 +   33   = 100

 

blank number line

38 +   62   = 100

 

blank number line

45 +   55   = 100

 

blank number line

--------- Page Break-------------

Follow the examples and steps on page 1 to answer these questions:

56 +   44   = 100

 

blank number line

77 +   23   = 100

 

blank number line

29 +   71   = 100

 

blank number line

48 +   52   = 100

 

blank number line

Answer these questions. Try to picture a number line and the steps in your mind to help.

76 +   24   = 100

86 +   14   = 100

36 +   64   = 100

17 +   83   = 100

27 +   73   = 100

47 +   53   = 100

75 +   25   = 100

85 +   15   = 100

 

There are more number bond worksheets and activities here.

------ 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 ...

Flashcards

Games

Lessons

Worksheets

Number bonds

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

 

Custom Search
Math Help - Homepage      |   About HelpingWithMath.com |   Privacy  |   Site Map