Rounding Vocabulary Quiz 5.3A

What does the vocabulary term "rounding" means?

• to add (+).

• Rounding is a technique used to make a ball of clay round.

• to multiply.

• Rounding means making a number lesser or greater but keeping its value close to what it was.

Tags

CCSS.L.2.4E

CCSS.L.3.4D

CCSS.L.6.4C

CCSS.L.7.4C

CCSS.L.8.4C

What does the vocabulary term "whole number" means?

• Rounding means making a number lesser or greater but keeping its value close to what it was.

• Numbers that are fractions or decimals.

• Any of the numbers {0, 1, 2, 3, ...} etc.

• None of the above

Tags

CCSS.L.1.6

CCSS.L.3.6

CCSS.L.K.5A

What does the vocabulary term "estimate" mean?

• It means to divide.

• To find a value that is close enough to the right answer, usually with some thought or calculation involved. (To round)

• It means to mutiply two factors to receive a product.

• I don't know?

Tags

CCSS.L.2.4E

CCSS.L.3.4D

CCSS.L.6.4C

CCSS.L.7.4C

CCSS.L.8.4C

Compatible numbers are pairs of numbers that are easy to add, subtract, multiply, or divide mentally. When using estimation to approximate a calculation, replace actual numbers with compatible numbers.

• False

• True

The key phrase "approximately" means- Not exact, but close enough to be used.

• True

• False

Tags

CCSS.L.2.4E

CCSS.L.3.4D

CCSS.L.6.4C

CCSS.L.7.4C

CCSS.L.8.4C

The phrase "approximately how much" tells students they need to round?

• False

• True

Tags

CCSS.2.MD.B.6