If your child is struggling to learn addition, extra practice at home can help! Consider using the problems below to review the concepts with your child. Feel free to input different numbers into the problems to allow for more challenging practice.

Practice Problems and Solutions

1. Two numbers have a sum of 268 and a difference of 40. Both numbers are even and are larger than 100. Identify the two numbers.

Using the given criteria, begin adding numbers that can possibly equal 268. After you find two numbers that equal 268, subtract the smaller number from the larger number to see if the difference between them is 40. For example, add: 148 + 120 = 268. However, the difference for these two numbers is 28. The correct numbers for this problem are 114 and 154.

2. Our third grade class is creating a photo album together. The eight girls in the class are each putting two pictures into the album. The four boys in the class will each be placing three pictures in the album. How many total pictures will be in the class photo album?

The girls will contribute 16 pictures. The boys will contribute 12 pictures. To arrive at the answer add: 16 + 12 = 28.

3. We made 34 cookies for the birthday party. Before the party began, dad and grandpa ate 15 of the cookies. How many cookies are left for the birthday party?

Use the relationship between subtraction and addition to solve this problem. The correct solution is 34 - 15 = 19. This shows that there would be 19 cookies left for the party.

4. There are three children in the Jackson family. Sue, who is the oldest, is 20. Joe is half of Sue's age. Ann is half of Sue's age and Joe's age combined. How old are Joe and Ann?

Begin by finding Joe's age, which is ten. This can be figured out by adding: 10 + 10 = 20. To find Ann's age, add Sue and Joe's ages together like this: 20 + 10 + 30. To find half of 30, divide by two (30 ÷ 2 = 15), so Ann is 15 years old.

5. Maria earned \$424 for one week of work. Owen made \$178 at his job. Ethan made \$76 washing cars for the week. What is the total amount of money that the three of them earned?

To solve this problem, add all the amounts of money together like this: \$424 + \$178 + \$76 = \$678.
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