Regrouping (Addition and Subtraction)

What is your favorite addition and subtraction strategy that you learned this week?

• Stip Diagram

• Base 10 Blocks

• Estimation

• Number Line

Batman responded to 56 bat signals last week. This week he responded to 68 bat signals this week. How many bat signals did he respond in the both weeks?

• 120

• 124

• 114

• 100

Tags

CCSS.2.NBT.B.5

CCSS.2.NBT.B.6

CCSS.2.NBT.B.7

CCSS.2.OA.A.1

______ is when we separate groups to find out how many are left or compare to find the difference.

• subtraction

• addition

Tags

CCSS.2.NBT.B.5

CCSS.2.NBT.B.7

CCSS.2.OA.A.1

CCSS.2.OA.B.2

Spider-Man saved 83 people on Monday. He saved 38 people on Tuesday. About how many more people did he save on Monday than on Tuesday?

• 121

• 45

• 40

• 55

Tags

CCSS.2.NBT.B.5

CCSS.2.OA.A.1

Superman and Superwoman need to fly 144 miles to get home. So far they have flown 78 miles. How many more miles do they need to fly to get home?

• 60

• 76

• 66

• 70

Tags

CCSS.2.NBT.B.5

CCSS.2.NBT.B.7

CCSS.2.OA.A.1

Which base 10 block representation best represents this story: The Hulk bought 85 pumpkins to practice smashing for a contest. He smashed 57 pumpkins on Saturday. How many pumpkins did he have left?

• 
• 
• 
• 

Tags

CCSS.2.NBT.B.5

CCSS.2.NBT.B.7

CCSS.2.OA.A.1

Complete the strip diagram. What should go in the line of the green triangle?

• mask or suit

• total

The Flash traveled 324 miles to a Donut Shop. Then, he traveled 358 to a Coffee Shop. How many miles did he travel in all?

• 684

• 648

• 672

• 682

Tags

CCSS.2.NBT.B.7

CCSS.2.OA.A.1

Complete the strip diagram. What should go in the line of the happy face?

• mask or suit

• total

Complete the strip diagram. What should go in the line of the blue circle?

• mask or suit

• total