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Addition Problems
No. of Questions20
Maximum Points20
Question 1 of 20
There are 7 pigeons on a tree. 10 doves join them. How many birds are there on the tree?

Incorrect
Correct
GREAT YOU DID A SPLENDID JOB!
EXPLANATION
Addend + Addend = Sum
7 (pigeons) + 10 (doves) = 17
UH-OH, TRY ONCE MORE!
EXPLANATION
Addend + Addend = Sum
7 (pigeons) + 10 (doves) = 17
Question 2 of 20
You drink 3 glasses of water as you’re thirsty after some cycling. You drink 2 more. How many glasses of water did you drink?

Incorrect
Correct
WONDERFUL JOB!
EXPLANATION
Addend + Addend = Sum
3 + 2 = 5
YOU JUST HAD IT THERE!
EXPLANATION
Addend + Addend = Sum
3 + 2 = 5
Question 3 of 20
You have 10 sheets of color paper. You buy 3 more sheets. How many sheets of color paper do you have in total?
Incorrect
Correct
YOU’VE GOT THAT RIGHT!
EXPLANATION
Addend + Addend = Sum
10 + 3 = 13
OOPS, YOU CAN TRY ONCE AGAIN!
EXPLANATION
Addend + Addend = Sum
10 + 3 = 13
Question 4 of 20
There are 12 cakes at a bakery. Another 8 cakes are baked for a special order. Find the total number of cakes.

Incorrect
Correct
YES, YOU GOT IT RIGHT!
EXPLANATION
Addend + Addend = Sum
12 + 8 = 20
YOU’RE ALMOST THERE!
EXPLANATION
Addend + Addend = Sum
12 + 8 = 20
Question 5 of 20
Ross has 3 blue pens and 5 black pens. His friend James has 8 pens. Which of the friends has more pens?

Incorrect
Correct
YOU’RE DOING GREAT!
EXPLANATION
Total number of pens Ross has
Addend + Addend = Sum
3 + 5 = 8
Therefore, Ross and James have an equal number of pens.
GIVE IT ANOTHER TRY!
EXPLANATION
Total number of pens Ross has
Addend + Addend = Sum
3 + 5 = 8
Therefore, Ross and James have an equal number of pens.
Question 6 of 20
Fill in the box with the correct answer.
Incorrect
Correct
YES, YOU’RE RIGHT!
EXPLANATION
Addend + Addend = Sum
11 + 9 = 20
COME ON, YOU CAN GET IT RIGHT!
EXPLANATION
Addend + Addend = Sum
11 + 9 = 20
Question 7 of 20
You have 10 lollipops. You buy 6 toffees. How many candies do you have?

Incorrect
Correct
HURRAY, YOU GAVE THE RIGHT ANSWER!
EXPLANATION
Addend + Addend = Sum
10 (lollipops) + 6 (toffees) = 16
UH-OH, PLEASE TRY AGAIN!
EXPLANATION
Addend + Addend = Sum
10 (lollipops) + 6 (toffees) = 16
Question 8 of 20
Fill in the box with the right answer.
Incorrect
Correct
EXCELLENT!
EXPLANATION
Addend + Addend = Sum
7 + 9 = 16
YOU’RE ALMOST THERE!
EXPLANATION
Addend + Addend = Sum
7 + 9 = 16
Question 9 of 20
There are 12 balloons in your balloon stall. You add 7 more. How many balloons are there in your balloon stall?
Incorrect
Correct
WOOHOO!
EXPLANATION
Addend + Addend = Sum
12 + 7 = 19
OOPS, GOTTA TRY AGAIN!
EXPLANATION
Addend + Addend = Sum
12 + 7 = 19
Question 10 of 20
You have 9 shirts. You buy 5 more as you’re going on a holiday. How many shirts do you have now?
Incorrect
Correct
YOU’RE DOING GREAT!
EXPLANATION
Addend + Addend = Sum
9 + 5 = 14
HEY, KEEP TRYING!
EXPLANATION
Addend + Addend = Sum
9 + 5 = 14
Question 11 of 20
You have 8 pencils and 4 pens. How many items are there?

Incorrect
Correct
GOOD WORK!
EXPLANATION
Addend + Addend = Sum
6 (pencils) + 4 (pens) = 10 items
YOU’RE ALMOST THERE!
EXPLANATION
Addend + Addend = Sum
6 (pencils) + 4 (pens) = 10 items
Question 12 of 20
Jane has 3 tulips and 2 roses. Her friend has 4 flowers. Who has more flowers?

Incorrect
Correct
FANTASTIC!
EXPLANATION
Let’s add the number of flowers Jane have.
Addend + Addend = Sum
3 (tulips) + 2 (roses) = 5
Since 5 > 4, Jane has more flowers.
LET’S GET GOING!
EXPLANATION
Let’s add the number of flowers Jane have.
Addend + Addend = Sum
3 (tulips) + 2 (roses) = 5
Since 5 > 4, Jane has more flowers.
Question 13 of 20
There are 7 horses and 6 zebras in a zoo. What is the sum if you add the number of horses and zebras?

Incorrect
Correct
YOU’RE ABSOLUTELY RIGHT!
EXPLANATION
Addend + Addend = Sum
7 (horses) + 6 (zebras) = 13
NICE TRY!
EXPLANATION
Addend + Addend = Sum
7 (horses) + 6 (zebras) = 13
Question 14 of 20
You have 6 bananas. You buy 5 more to give to a friend. How many bananas did you have before giving some to your friend?
Incorrect
Correct
KUDOS!
EXPLANATION
Addend + Addend = Sum
6 + 5 = 11
UH-OH! KEEP TRYING!
EXPLANATION
Addend + Addend = Sum
6 + 5 = 11
Question 15 of 20
Fill in the box with the right answer.
Incorrect
Correct
GREAT JOB!
EXPLANATION
Addend + Addend = Sum
12 + 13 = 25
UH-OH, TRY AGAIN!
EXPLANATION
Addend + Addend = Sum
12 + 13 = 25
Question 16 of 20
There are 5 dogs. 3 cats join them. How many animals are there in total?

Incorrect
Correct
YAYYY! THAT’S RIGHT!
EXPLANATION
Addend + Addend = Sum
5 (dogs) + 3 (cats) = 8
ALMOST THERE!
EXPLANATION
Addend + Addend = Sum
5 (dogs) + 3 (cats) = 8
Question 17 of 20
Ashley bought 8 oranges and 7 pineapples. Her brother has 16 fruits. Who has more fruits?

Incorrect
Correct
WOW, YOU’RE DOING A SPLENDID JOB!
EXPLANATION
Let’s count the total fruits Ashley has
Addend + Addend = Sum
8 + 7 = 15
As 16 > 15, Ashley’s brother has more fruits.
AAHH! THAT WAS CLOSE!
EXPLANATION
Let’s count the total fruits Ashley that have
Addend + Addend = Sum
8 + 7 = 15
As 16 > 15, Ashley’s brother has more fruits.
Question 18 of 20
Fill in the box with an appropriate answer.
Incorrect
Correct
GREAT!
EXPLANATION
Addend + Addend = Sum
10 + 11 = 21
BETTER LUCK NEXT TIME!
EXPLANATION
Addend + Addend = Sum
10 + 11 = 21
Question 19 of 20
There are 5 tigers and 5 lions in a jungle. How many big cats are there in the jungle?

Incorrect
Correct
EXCELLENT JOB!
EXPLANATION
Addend + Addend = Sum
5 (lions) + 5 (tigers) = 10
OOPS, THAT IS INCORRECT!
EXPLANATION
Addend + Addend = Sum
5 (lions) + 5 (tigers) = 10
Question 20 of 20
Match the following expressions with their appropriate results.
Incorrect
Correct
NICE WORK, KEEP GOING!
EXPLANATION
Addend + Addend = Sum
8 + 14 = 22
15 + 13 = 28
16 + 20 = 36
25 + 25 = 50
HEY, KEEP TRYING!
EXPLANATION
Addend + Addend = Sum
8 + 14 = 22
15 + 13 = 28
16 + 20 = 36
25 + 25 = 50