3-digit Addition and Subtraction

How well do you know how to add and subtract 3-digit numbers?

• I am the best!

• I know what to do.

• I am ok.

• I have no idea.

Tags

CCSS.2.NBT.B.7

Which place value should you add or subtract first when adding or subtracting 3-digit numbers?

• Hundreds

• Tens

• Ones

• Thousands

Tags

CCSS.2.NBT.B.7

300+321

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

431+329=

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

487+134=

• 611

• 621

• 521

• 622

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

358-123=

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

136-59

• 27

• 73

• 77

• 72

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Maria has 3 teddy bears. She buys 8 more and gives 2 to her sister. How many teddy bears does she have now?

Tags

CCSS.2.OA.C.3