2.4 Add Mentally

Match the following

• 300 + 40 + 8

• 348

• 80 + 4 + 300

• 384

• 80 + 3 + 400

• 483

• 800 + 30 + 4

• 843

• 800 + 40 + 3

• 834

Tags

CCSS.4.NBT.A.2

What is the largest four digit number you can make with the following digits?

3, 8, 4, 5

Tags

CCSS.2.NBT.A.4

What is the smallest four digit number you can make with the following digits?

3, 8, 4, 5

Tags

CCSS.4.NBT.A.2

Reorder the following greatest to least

• 82

• 57

• -75

• 8752

• 8257

Tags

CCSS.4.NBT.A.2

486 + 342 =

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

279 + 562 =

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

There are two dozen cookies. Ten people have two cookies each. How many cookies are left? *no label

Tags

CCSS.2.OA.A.1

Jill's mom made 10 sandwiches. Jill, her brother, her sister, and their three cousins are over. Each of them eat one sandwich. How many can go back for seconds? *no label

Tags

CCSS.3.OA.A.3

What is the total cost of all four items shown?

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

903 + 246

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2