Addition Regroup

Find the sum of 45 and 55

• 92

• 100

• 90

• 80

Tags

CCSS.2.NBT.B.5

Find the sum 49 and 89.

• 138

• 137

• 173

• 183

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Find the sum of 18 and 180

• 888

• 190

• 1098

• 198

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Find the sum 463 and 129

• 955

• 585

• 576

• 592

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

• 674
• 579
• 679
• 680

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

• 97
• 44
• 32

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Tags

CCSS.2.NBT.B.7

Use mental math to solve.

120 + 42 + 80

Tags

CCSS.2.NBT.B.5

One day Keith skipped 145 rocks over the river. The next day he skipped 165 rocks. How many rocks did he skip altogether?

• 103 rocks

• 311 rocks

• 310 rocks

• 312 rocks

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

2nd grade collected 235 cans for the food drive. 3rd grade collected 155 cans. 4th grade collected 258 cans. How many cans did 2nd and 4th grade collect?

• 380 cans

• 390 cans

• 493 cans

• 483 cans

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2