Math Ch. 3 Review

What does "regroup" mean?

• The answer to an addition problem

• Put numbers together to make a 10.

• Take apart a number to write it in a new way.

• To write an equation vertically instead of horizontally.

Tags

CCSS.2.NBT.B.5

CCSS.2.NBT.B.6

CCSS.2.NBT.B.7

CCSS.2.NBT.B.9

When you read "altogether" what should you think about?

• adding

• subtracting

• sleeping

• regrouping

Tags

CCSS.2.NBT.B.5

CCSS.2.NBT.B.7

CCSS.2.OA.A.1

CCSS.2.OA.B.2

CCSS.2.OA.C.4

Read the problem:

"Bill has 16 toys. Lisa has 21 more. How many toys do they have in all?"

What should we do?

• subtract

• add

• minus

• regroup

Tags

CCSS.2.NBT.B.5

CCSS.2.NBT.B.7

CCSS.2.OA.A.1

Read the problem:

"Bill has 16 toys. Lisa has 21 toys. How many more toys does Lisa have?"

What should we do?

• subtract

• add

• minus

• regroup

Tags

CCSS.2.NBT.B.5

CCSS.2.OA.A.1

What do we need to do when we are reading story problems?

• add all the numbers

• read quickly

• read carefully

• read carelessly

Tags

CCSS.2.OA.A.1

• 13

• 2

• 1

• 9

Tags

CCSS.2.NBT.B.5

CCSS.2.NBT.B.7

• Add the tens.

• 72

• Ask the teacher.

• Add the ones.

Tags

CCSS.2.NBT.B.5

CCSS.2.NBT.B.6

CCSS.2.NBT.B.7

Elanina ate 38 spiders on Monday. Jayson ate 22 pumpkins on Tuesday. Cotty ate 17 candy bars on Wednesday. How many pumpkins did Elanina eat?

• none

• 38

• 22

• 17

• Tuesday

14 witches are flying on brooms. 12 zombies are walking slowly. 16 black cats are meowing. How many witches, zombies, and cats are there?

• 42 brooms

• 14 witches

• 16 cats

• 12 witches, zombies, and cats

• 42 witches, zombies, and cats

Tags

CCSS.2.NBT.B.5

CCSS.2.NBT.B.6

CCSS.2.OA.A.1

CCSS.2.OA.B.2

When doing a story problem, what can help you understand it better?

• Watching TV and having lunch first.

• Underlining and circling important parts.

• Adding all the numbers together.

• Playing with things in your desk.

Tags

CCSS.2.OA.A.1