Which of the following could be less than 1 kilogram?

• pen cap

• penny

• picnic table

• book

• car

What is volume?

• the amount of matter in an object

• the amount of space an object takes up

• how loud something is

• how hot or cold something is

What is mass?

• the amount of matter in an object

• the amount of space an object takes up

• how heavy something is

• how hot or cold something is

What does the word "difference" show in a word problem?

• add

• subtract

• multiply

• divide

What does the word "sum" show in a word problem?

• add

• subtract

• multiply

• divide

What do the words "shared equally" show in a word problem?

• add

• subtract

• multiply

• divide

What do the words "___ groups with ____in each" show in a word problem?

• add

• subtract

• multiply

• divide

• 20 mL

• 25 mL

• 22 mL

• 18 mL

• 5 L

• 6 L

• 9 L

• 18 L

• 125 x 5

• 125 + 5

• 125 - 5