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Addition Problems
No. of Questions10
Maximum Points10
Question 1 of 10
Fill in the box with the correct answer.
Incorrect
Correct
Great job!
Explanation:
We can add any two numbers first.
Then, 11 + 12 = 23 [Add]
Now, let’s add this 23 to 13
23 + 13 = 36 [Result]
Hence, 11 + 12 + 13 = 36
You’re almost there.
Explanation:
We can add any two numbers first.
Then, 11 + 12 = 23 [Add]
Now, let’s add this 23 to 13
23 + 13 = 36 [Result]
Hence, 11 + 12 + 13 = 36
You can add any two numbers first.
Question 2 of 10
Fill in the box with the right answer.
Incorrect
Correct
Woohoo! You’ve got the right answer.
Explanation:
We can add any two numbers first.
Then, 7 + 8 = 15 [Add]
Now, let’s add this 15 to 9
15 + 9 = 24 [Result]
Hence, 7 + 8 + 9 = 24
Uh-oh, please try again.
Explanation:
We can add any two numbers first.
Then, 7 + 8 = 15 [Add]
Now, let’s add this 15 to 9
15 + 9 = 24 [Result]
Hence, 7 + 8 + 9 = 24
You can add any two numbers first.
Question 3 of 10
Match the following expressions with their appropriate result.
Incorrect
Correct
You’ve done a great job!
Explanation:
11 + 7 + 5 = 23
2 + 12 + 6 = 20
13 + 15 + 1 = 29
You’re almost there!
Explanation:
11 + 7 + 5 = 23
2 + 12 + 6 = 20
13 + 15 + 1 = 29
You can add any two numbers first.
Question 4 of 10
Ryan has 7 toys, Reese has 4, and Ross has 9. How many toys are there in total?
Incorrect
Correct
Awesome! You did a great job.
Explanation:
Number of toys Ryan has = 7
Number of toys Reese has = 4
Number of toys Ross has = 9
Then, total number of toys = 7 + 4 + 9 [Add]
= 11 + 9 [Add any two numbers]
= 20 [Result]
Thus, there are 20 toys in total.
Uh-oh. Please try again.
Explanation:
Number of toys Ryan has = 7
Number of toys Reese has = 4
Number of toys Ross has = 9
Then, total number of toys = 7 + 4 + 9 [Add]
= 11 + 9 [Add any two numbers]
= 20 [Result]
Thus, there are 20 toys in total.
First, find the sum of toys owned by any two persons.
Question 5 of 10
In a playground, there are 12 orange and 11 black colored soccer balls. Which of the following equations shows the total number of soccer balls?
Incorrect
Correct
Fabulous!
Explanation:
Number of orange-colored balls = 12
Number of black-colored balls = 11
Total number of balls = 12 + 11 [Add]
= 23 [Result]
Hence, there are 23 balls in the playground.
Keep trying!
Explanation:
Number of orange-colored balls = 12
Number of black-colored balls = 11
Total number of balls = 12 + 11 [Add]
= 23 [Result]
Hence, there are 23 balls in the playground.
Together, the orange and black-colored balls gives the total count.
Question 6 of 10
Fill in the box with an appropriate answer.
Incorrect
Correct
Yes, you’re right!
Explanation:
We can add any two numbers first.
Then, 2 + 3 = 5 [Add]
Now, let’s add this 5 to 4
5 + 4 = 9 [Result]
Hence, 2 + 3 + 4 = 9.
Oops! Keep trying.
Explanation:
We can add any two numbers first.
Then, 2 + 3 = 5 [Add]
Now, let’s add this 5 to 4
5 + 4 = 9 [Result]
Hence, 2 + 3 + 4 = 9.
You can add any two numbers first.
Question 7 of 10
In a notebook, 9 pages are filled and 6 are blank. How many pages are there in the notebook in total?
Incorrect
Correct
Great job!
Explanation:
Number of pages filled = 9
Number of blank pages = 6
Total number of pages = 9 + 6
= 15
Thus, there are 15 pages in the book.
Oops!
Explanation:
Number of pages filled = 9
Number of blank pages = 6
Total number of pages = 9 + 6
= 15
Thus, there are 15 pages in the book.
Together, the filled and blank pages gives the total pages.
Question 8 of 10
What will be the value of 12 + 1 + 3 ?
Incorrect
Correct
Wonderful!
Explanation:
We can add any two numbers first.
Then, 12 + 1 = 13 [Add]
Now, let’s add this 13 to 3.
13 + 3 = 16 [Result]
Hence, 12 + 1 + 3 = 16.
Better luck next time!
Explanation:
We can add any two numbers first.
Then, 12 + 1 = 13 [Add]
Now, let’s add this 13 to 3.
13 + 3 = 16 [Result]
Hence, 12 + 1 + 3 = 16.
You can add any two numbers first.
Question 9 of 10
James has two toy planes. Jack has two toy planes more than James. How many toy planes does Jack have?
Incorrect
Correct
Woohoo! Great job.
Explanation:
As mentioned, number of toy planes James has = 2
It is mentioned that Jack has 2 toy planes more than Jack.
That is,
2 + 2 = 4
Hence, Jack has 4 toy planes.
Don’t give up.
Explanation:
As mentioned, number of toy planes James has = 2
It is mentioned that Jack has 2 toy planes more than Jack.
That is,
2 + 2 = 4
Hence, Jack has 4 toy planes.
Question 10 of 10
In an exam, Kiki scores 4 marks more than Kino. And Kino’s score is 8. How many marks does Kiki score in the exam?
Incorrect
Correct
Fantastic!
Explanation:
Woohoo! Great job.
Explanation:
Marks scored by Kino = 8
Marks scored by Kiki = 4 more than Kino
= 4 + 8 [Add]
= 12 [Result]
Therefore, Kiki scored 12 marks in the exam.
Don’t give up! Keep trying.
Explanation:
Marks scored by Kino = 8
Marks scored by Kiki = 4 more than Kino
= 4 + 8 [Add]
= 12 [Result]
Therefore, Kiki scored 8 marks in the exam.
