Rounding, Addition & Subtraction

What does 43 round to?

• 40

• 45

• 50

• 30

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

What does 86 round to?

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

What does the word "about" mean in a math problem?

• sum

• difference

• round

Tags

CCSS.L.5.5C

What does 132 round to?

• 100

• 120

• 200

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

What does 34 round to?

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

• 500

• 100

• 200

• 500-300

• 400-200

• 500-200

• 400-300

• 70-12

• 80-10

• 70-20

Round and then solve

216 - 105=

• 100

• 300

• 400

34 + 12 + 26 =

26 + 34 + 12 =

What property of addition is this problem using?

• Associative Property

• Commutative Property

• Identity Property

Tags

CCSS.1.OA.B.3