3 Digit Addition Regroup or Not

How do you regroup a ten?

• move one ten to the ones column

• move the ones to the tens column

• change all tens to ones

Tags

CCSS.1.NBT.B.2B

CCSS.1.NBT.B.2C

Charlie makes this model to show the number of cars in a parking lot on Saturday. How many cars are in the parking lot?

• 233

• 263

• 236

Tags

CCSS.2.NBT.A.3

Alice has 597 marbles, and Saylor gives her 290 more. How many marbles does Alice have now?

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

• 340

• 343

• 355

• 433

Tags

CCSS.2.NBT.B.7

Find the sum.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Find the sum.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Find the sum.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

• 953

• 955

• 933

• 935

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Find the sum.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Find the sum.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2