NBT 2

​Review 2.NBT.6

I can add up to three two-digit numbers using strategies based on place value and properties of operations. 

2.NBT.6 Strategies: Place Value

2.NBT.6 Strategies:

Expanded Form

2.NBT.6 Strategies:

Number Lines

​Let's Practice Some Problems

Poll

Which strategy is your favorite to use?

• Place Value

• Expanded Form

• Number Line

Poll

Which strategy do you feel you need more practice with?

• Place Value

• Expanded Form

• Number Lines

Multiple Choice

88 + 49 + 67 =

• 204

• 240

• 294

• 304

Multiple Choice

Katie has 56 inches of yellow yarn, 72 inches of purpose yarn, and 68 inches of blue yarn. How many inches of yarn does Katie have?

• 186

• 196

• 241

Multiple Choice

Look at the addition problem:

25 + 38 + 11

Which addition problem shows one way to find the sum?

• 60 + 4

• 60 + 14

• 70 + 14

Multiple Choice

What is 25 + 23 +7?

• 55

• 91

• 158

Multiple Choice

Andrew has 23 stickers. Nancy has 15 stickers. Mark has 46 stickers. How many stickers do Andrew, Nancy, and Mark have altogether?

• 74

• 714

• 84