Adding and Subtracting

Adding and Subtracting

Lesson 4-Gr.4

Multiple Choice

Anton is a scientist.He pours 74 ml of acid into a test tube.How much more does he need to add to make 100 ml?

• 26

• 36

Multiple Choice

Anton weighs a bowl full of sodium.The scales show 3258g.If the bowl weighs 1021g.how much does the sodium weigh?

• 2300g

• 2237

Multiple Choice

He has two cotainers.One holds 2000ml and the other holds 725ml.How much more does the larger container hold?

• 300

• 275

Multiple Choice

A saucer held 138ml of water after several days of evaporation it held 86ml.How much water had evaporated?

• 52

• 75

Multiple Choice

Into a bowl weighing 1021g,Anton puts 203g of powder and 610g of salt. He puts the bowl onto the scales.What weight is shown?

• 1834

• 1900

Multiple Choice

At the center there are 500 scientists,214 support staff 52 cleaner and 30 canteen workers.How many people work at the center in total?

• 796

• 865