Comparing Expressions and Properties

If the amount of fabric for Rob's costume is the total amount needed for Jimmy's costume divided by 2, how does Rob's fabric amount compare to Jimmy's?

• It's twice as much.

• It's half the size.

• It's the same amount.

• It's one-quarter the size.

Tags

CCSS.5.NF.B.5B

Without doing any calculations, why is the number sentence 14 + (413 x 7) > 6 + (413 x 7) true?

• Because 413 x 7 is larger than 14.

• Because 14 is greater than 6, and the other part is the same.

• Because 6 is smaller than 14.

• Because the numbers are too big to calculate.

Tags

CCSS.3.OA.C.7

Without doing any calculations, how does Expression A (8 x (41,516 - 987)) compare to Expression B (41,516 - 987)?

• Expression A is 8 times smaller than Expression B.

• Expression A is 8 times greater than Expression B.

• Expression A is equal to Expression B.

• Expression A is 8 more than Expression B.

Tags

CCSS.5.NF.B.5B

Which symbol makes the following statement true without doing any calculations? 7 x (4 3/8 + 3 1/2) ___ 22 x (4 3/8 + 3 1/2)

• > (greater than)

• < (less than)

• = (equal to)

• + (plus)

Tags

CCSS.7.NS.A.2C

Without doing any calculations, why are the expressions 8.2 + (7.1 ÷ 5) and (7.1 ÷ 5) + 8.2 equal?

• Because of the associative property.

• Because of the distributive property.

• Because of the commutative property of addition.

• Because of the identity property.