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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

Grade 1 - Mathematics
3.15 Find the Mystery Number (Single Digits) (WIZ Math)

Method:
  • When the operand is + or addition, we need to subtract the number present with the operand from the sum.
  • When the operand is - or subtraction , we need to subtract the difference from the number present along with the operand.

Example:
5 - ? = 2
That implies 5 - 2 = 3
Answer: 3

Example:
5 + ? = 13
13 - 5 = 8
Answer: 8

Directions: Answer the following questions. Also write at least ten examples of your own.
Q 1: Find the missing number: 4 + ? = 7
Answer:

Q 2: Find the missing number: 1 + ? = 10
Answer:

Q 3: Find the missing number: 9 + ? = 18
Answer:

Q 4: Find the missing number: 3 + ? = 9
Answer:

Q 5: Find the missing number: 7 - ? = 7
Answer:

Question 6: This question is available to subscribers only!

Question 7: This question is available to subscribers only!

Question 8: This question is available to subscribers only!

Question 9: This question is available to subscribers only!

Question 10: This question is available to subscribers only!


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