deca- deci- Word Root Quiz

The word root "deca" means

• ten
• one-tenth
• one-hundred
• one-hundredth
• thousand

The word root "deci" means

• ten
• one-tenth
• one-hundred
• one-hundredth
• thousand

A decade is a period of time that lasts for ten years. The root word "dec" means

• one-tenth
• ten
• time
• years

A "bel" measures sound intensity. One bel equal 10 decibels (dB). The quietest sound a human can hear is near total silence at 0 dB or 1/10 of a bel. The sound of a person breathing is about 10 times louder, or 10 dB. The word root "deci" must mean

• one-tenth
• ten
• sound

A decameter is a measure of length. One decameter is equivalent to 10 meters. The word root "deca" must mean

• one-tenth
• ten
• one-hundred
• distance
• meter

A deciliter is a measure of volume. It's equivalent to 1/10 of a liter. The word root "deci" must mean

• volumne

• one-tenth

• ten

The word root "deca" means

• ten
• one-tenth
• one-hundred
• one-hundredth
• thousand

The word root "deci" means

• ten
• one-tenth
• one-hundred
• one-hundredth
• thousand

A decimal is a number less than one whole. Each decimal value is 10 times smaller than the place value to its left. A tenth is ten times smaller than one. A hundredth is ten simes smaller than a tenth. The word root "deci" must mean

• ten
• one
• one-tenth
• one-hundredth
• one-thousandth

A decathlon is an athletic event with ten different activities to perform. The root word "deca" must mean

• ten
• one
• one-tenth
• sporting events