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I4C

1st Grade Interactive Math Skill Builders

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Missing Terms - CCSS 1.OA.B.4, 1.OA.D.8


Links verified on 09/13/2022

1. Addition Completion.

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Complete the addition sentence by filling in the missing number. (Sums up to 10)  SEE MORE
 
2. Addition Equations.

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What number would complete this sentence? - Find the missing term.  SEE MORE
 
3. Addition Fill-In.

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Fill in the blank with the missing term.  SEE MORE
 
4. Determine the unknown number in each equation.

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Online quiz that is self checking.  SEE MORE
 
5. Determine the Unknown Number in the Addition Equation (up to 20).

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Online quiz that is self checking.  SEE MORE
 
6. Determine the Unknown Number in the Addition or Subtraction Equation (up to 20).

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Online quiz that is self checking.  SEE MORE
 
7. Determine the Unknown Number in the Subtraction Equation (up to 20).

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Online quiz that is self checking.  SEE MORE
 
8. Find A Missing Number.

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A variety of activities to find the missing numbers.  SEE MORE
 
9. Find the Missing Number.

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Generate exercises by selecting the numbers to use (0-99), type of sequence, and number of problems.  SEE MORE
 
10. Hit the Button.

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Click on "Number Bonds" and find "Missing Numbers." Choose addition (+ bonds) or subtraction (- bonds). Click on the number that is missing and try to work fast to do as many as possible in 1 minute.  SEE MORE
 
11. Hundred's Chart Missing Numbers Activity.

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Complete the Hundreds Chart by filling in the empty boxes with the missing numbers.  SEE MORE
 
12. Missing Term Worksheet.

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Supply the missing term for ten problems. Self-checking.  SEE MORE
 
13. Pattern Detectives.

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Identify and extend patterns in a variety of settings, audio is used to assist non-readers.  SEE MORE
 
14. Penalty Shootout.

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A soccer game for one or two players. Answer the ten questions by picking the missing number in each sequence.  SEE MORE
 
15. Subtraction Completion.

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Complete the subtraction sentence by filling in the missing number.  SEE MORE
 
16. Subtraction Fill-In Flash Cards.

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Fill in the blank with the missing term.  SEE MORE
 

Internet4classrooms is a collaborative effort by Susan Brooks and Bill Byles.
 

  

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