Rational Number Word Problems and Number Lines Challenge

A baker made 3.5 kg of dough. He used 1.2 kg for bread and 0.8 kg for pastries. How much dough is left?

• 1.2 kg

• 0.5 kg

• 1.5 kg

• 2.0 kg

Sarah has 4.5 meters of ribbon. She cuts 1.75 meters for a project and then gives away 0.5 meters. How much ribbon does she have now?

• 3.5 meters

• 4.0 meters

• 2.25 meters

• 1.75 meters

A tank holds 15.6 liters of water. If 6.3 liters are used for watering plants and 2.4 liters for cleaning, how much water is left in the tank?

• 5.4 liters

• 6.9 liters

• 10.2 liters

• 8.1 liters

Tom ran 2.5 km in the morning and 1.75 km in the evening. How far did he run in total?

• 4.25 km

• 3.5 km

• 5 km

• 4 km

A recipe requires 0.5 liters of milk. If you want to make 3 batches, how much milk do you need in total?

• 1.5 liters

• 0.5 liters

• 2 liters

• 1 liter

A car travels 12.5 km on Monday and 8.75 km on Tuesday. How far did the car travel over the two days?

• 20 km

• 21.25 km

• 19.5 km

• 22 km

Emily has 10.2 kg of flour. She uses 3.5 kg for cookies and 2.8 kg for cake. How much flour does she have left?

• 2.1 kg

• 4.5 kg

• 5.2 kg

• 3.9 kg

A gardener planted 2.3 meters of flowers in one row and 1.5 meters in another. How many meters of flowers did he plant in total?

• 3.8 meters

• 2.0 meters

• 4.5 meters

• 3.0 meters

A book costs $12.50. If you buy 3 books and pay with a $50 bill, how much change will you receive?

• $25.00

• $12.50

• $15.00

• $37.50

A swimming pool is filled with 25.5 cubic meters of water. If 10.2 cubic meters are drained, how much water remains in the pool?

• 15.3 cubic meters

• 20.2 cubic meters

• 5.0 cubic meters

• 10.5 cubic meters