Find the numbers if their sum and difference are given

Choose the correct answer

Given the sum of two numbers is a, their difference is b. Which of the following formulas is the correct one to find the larger number?

• 
• 

Choose the correct answer

Given the sum of the two numbers is 70, their difference is 10.Find the larger number.

• 35

• 30

• 40

Fill in the blank  with a number.

Class 4A has 28 students. The number of boys is 4 more than number of girls. Find the number of girls in the class.

Answer:...........girls.

Fill in the blank with a number.

The sum of two numbers is 60 while their difference is 20.

The smaller number is ...........

Choose the correct answer.

Given the sum of the two numbers is a, their difference is b. Which of the following formulas is the correct one to find the smaller number?

• 
• 

Chosse the correct answer.

Given the sum of two numbers is a, their difference is b. Which of the following formulas is the correct one to find the larger number?

• 
• 

Choose the correct answer.

The sum  of two numbers is 18.1

The difference between the two numbers 3.9

• 11

• 13

• 10.6

• 11.5

Fill in the blank with a number.

2 class planted a total of 545 trees. Class 4A planted 55 trees less than class 4B. Find the tree class 4B planted.

Fill in the blank with a number.

Two factories made 1200 products. The first factory made 120 products less than the second one. Find the number of products the second factory made.

Answer:...........products.

Choose the correct answer.

The sum of numbers is 20 and their difference is 0. What are the two numbers?

• 12 and 8

• 10 and 10

• 14 and 6

• 15 and 5