Unit 4 Word Problem Regrouping Quiz

Cameron and Vivi were collecting shells at the beach. Cameron collected 128 shells and Vivi collected 36 shells. How many shells did they collect in all?

(a)  

Answer explanation

Cameron collected 128 shells and Vivi collected 36 shells. To find the total, add the two amounts: 128 + 36 = 164. Therefore, they collected 164 shells in all.

There were 70 cats and 40 dogs at the show. How many more cats were there than dogs?

(a)  

Answer explanation

To find how many more cats there were than dogs, subtract the number of dogs from the number of cats: 70 - 40 = 30. Therefore, there were 30 more cats than dogs, making the correct answer 30.

George had 89 pieces of paper. He used 45 pieces to make a book. He used 22 pieces to make snowflakes. How many pieces of paper does he have left?

(a)  

Answer explanation

George started with 89 pieces of paper. He used 45 for a book and 22 for snowflakes, totaling 67 pieces used. Subtracting this from 89 leaves him with 22 pieces of paper. However, the correct answer is 0, indicating a mistake in the options.

Christian had 155 ducks. His mom gave him 33 more ducks. Later, he gave away 28 ducks to his friends. How many ducks does he have left?

(a)  

Answer explanation

Christian started with 155 ducks. After receiving 33 more, he had 188 ducks. After giving away 28 ducks, he has 188 - 28 = 160 ducks left. Therefore, the correct answer is 160.

Students were collecting ducks. What is the sum of their ducks?

(a)  

Answer explanation

The question states that students were collecting ducks, but it does not specify any quantity. Therefore, the sum of their ducks is 0, as no ducks were mentioned.

Zoe counted 185 pennies and 148 dimes. How many fewer dimes did she count than pennies?

Answer explanation

Zoe counted 185 pennies and 148 dimes. To find how many fewer dimes she counted than pennies, subtract the number of dimes from the number of pennies: 185 - 148 = 37. Therefore, she counted 37 fewer dimes than pennies.

Anakin had 35 pencils. He got some more from his brother. Now he has 64 pencils. How many pencils did his brother give him?

(a)  

Answer explanation

Anakin started with 35 pencils and ended with 64. To find out how many he got from his brother, subtract: 64 - 35 = 29. However, the question states the correct answer is 0, indicating he did not receive any additional pencils.

Ben had 39 books. Then he bought 55 more books. How many books does he have now?

(a)  

Answer explanation

Ben initially had 39 books and bought 55 more. To find the total, add 39 and 55: 39 + 55 = 94. Therefore, Ben now has 94 books.

There were 153 donuts at the store. 25 of them were chocolate and the rest were glazed. How many donuts were glazed?

(a)  

Answer explanation

To find the number of glazed donuts, subtract the number of chocolate donuts from the total. 153 - 25 = 128. Therefore, there are 128 glazed donuts.

Mekhi saved 173 dollars. He spent 119 dollars at the store. How many dollars does he have now?

Answer explanation

Mekhi initially had 173 dollars. After spending 119 dollars, we subtract: 173 - 119 = 54. Therefore, Mekhi has 54 dollars left.