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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 01/19/2018

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. Addition with Missing Numbers.

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Select random or timed mode. Match the missing number to its correct value. (6 rounds)  SEE MORE
 
5. Determine the unknown number in each equation.

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

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

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Online quiz that is self checking.  SEE MORE
 
9. Fill It In.

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Fill in missing numbers to complete the sequence.  SEE MORE
 
10. Find A Missing Number.

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A variety of activities to find the missing numbers.  SEE MORE
 
11. 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
 
12. 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
 
13. 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
 
14. Missing Term Worksheet.

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Supply the missing term for ten problems. Self-checking.  SEE MORE
 
15. Missing Value Addition Timed Questions.

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A twenty question self-checking timed quiz using numbers 1-10. (3 seconds to answer each questions) SEE MORE
 
16. Missing Value Addition.

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Twenty question self-checking quiz using numbers 1-10.  SEE MORE
 
17. Missing Value Game: Addition.

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The title and explanation are a little confusing. Just click the red button below to start the game. Click on the number that is missing, but do it fast since you have 30 seconds per level!  SEE MORE
 
18. Missing Value Game: Subtraction.

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To get to the game, click on the red button below. Click on the number that is missing, but do it fast since you have 30 seconds per level!  SEE MORE
 
19. Missing Value Subtraction Quiz.

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Twenty question self-checking quiz using numbers 1-10.  SEE MORE
 
20. Missing Value Subtraction Timed Quiz.

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A twenty question self-checking timed quiz using numbers 1-10. (3 seconds to answer each question) SEE MORE
 
21. Missing Value Targets.

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Aim for the missing term in each subtraction problem or addition problems. Work fast since you have 2 minutes to do 40 questions and each incorrect answer deducts points, so be careful!  SEE MORE
 
22. Neighboring Numbers.

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Fill in the numbers that would neighbor the number provided.  SEE MORE
 
23. Number Sequence.

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Find the missing term in each sequence.  SEE MORE
 
24. Pattern Detectives.

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Identify and extend patterns in a variety of settings, audio is used to assist non-readers.  SEE MORE
 
25. 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
 
26. Subtraction Completion.

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Complete the subtraction sentence by filling in the missing number.  SEE MORE
 
27. 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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