9.8 Solve Two-Step Word Problems

Write an equation with a letter for the unknown. Then solve. The school bus had 18 students. 5 students got on the bus. Then, 4 more students got on the bus. How many students are on the bus?

• 18 - 5 + 4 = s; 17 students

• 18 + 5 + 4 = s; 19 students

• 18 + 5 + 4 = s; 27 students

• 18 - 5 - 4 = s; 9 students

Write an equation with a letter for the unknown. Then solve. Desiree had some crayons. She gave 5 crayons to her sister. Then she got 8 more crayons. She now has 25 crayons. How many crayons did Desiree have at the beginning?

• c + 5 - 8 = 25; 28 crayons

• c - 5 - 8 = 25; 38 crayons

• c - 5 + 8 = 25; 22 crayons

• c + 5 + 8 = 25; 12 crayons

Tags

CCSS.6.EE.B.7

Write an equation with a letter for the unknown. Then solve. There were twice as many cats as dogs at the pet store. 4 cats were sold. Now there are 10 cats. How many dogs were at the pet store?

• 4 x d - 2 = 10; 3 dogs

• 2 x d + 4 = 10; 3 dogs

• 4 x d + 2 = 10; 2 dogs

• 2 x d - 4 = 10; 7 dogs

Tags

CCSS.7.EE.B.4A

Write an equation with a letter for the unknown. Then solve. Half of the 14 children stayed to play at the park. Then 2 left the park. How many children are at the park?

• 14 + 2 - 2 = c; 5 children

• 14 ÷ 2 - 2 = c; 4 children

• (14 - 2) ÷ 2 = c; 6 children

• (14 - 2) + 2 = c; 5 children

Tags

CCSS.3.OA.D.8

Write an equation with a letter for the unknown. Then solve. Spencer had $20. He bought a sandwich for $4. He bought a glass of milk. Now he has $14 left. How much did the glass of milk cost?

• 20 - 4 - g = 14; $2

• 20 + 4 - g = 14; $2

Tags

CCSS.6.EE.B.7