Adding, Subtracting, and Rounding Review

Write the numbers that make this equation true.

(7 + 2) + 4 = 7 + ( ___ + 4)

Tags

CCSS.3.NBT.A.2

CCSS.3.OA.D.8

The sum of any two numbers is the same no matter which number comes first.

• True

• False

Tags

CCSS.3.NBT.A.2

Round 457 to the nearest ten.

Tags

CCSS.3.NBT.A.1

Round 231 to the nearest ten.

Tags

CCSS.3.NBT.A.1

Is the sum of two odd numbers odd or even?

• Odd

• Even

Tags

CCSS.4.OA.C.5

Leigh subtracts 269 from 762 and gets 493. Which addition equation can she use to check her answer?

• 762 - 269 = 493

• 493 - 269 = 224

• 269 + 493 = 762

• 493 + 762 - 1,055

Tags

CCSS.3.NBT.A.2

The sums of doubles facts are always even. What pattern can you notice in doubles-plus-one facts?

• They're always even.

• They're always odd.

Tags

CCSS.3.OA.D.9

Round 431 to the nearest hundred.

Tags

CCSS.3.NBT.A.1

Round 789 to the nearest hundred.

Tags

CCSS.3.NBT.A.1

Round 550 to the nearest hundred.

Tags

CCSS.3.NBT.A.1