Adding and Subtracting Whole Numbers

The answer to an addition problem is called a

• product

• difference

• sum

• quotient

237 fifth graders and 346 fourth graders went on a field trip. Estimate how many more fourth graders were on a field trip than fifth graders.

• 200 more

• 109 more

• 100 more

• 110 more

Eastfield college has 1,537 students. Richland college has 2,785. Rounding to the HUNDREDS place, approximately how many fewer students does Eastfield college have than Richland college.

• 1,300

• 1,200

• 1,100

• 1,500

If you have 382, you might say you have ABOUT...

• 400

• 390

• 450

• 350

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

• 831

• 851

• 821

• 711

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

589+234

• 823

• 355

• 824

• 723

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Juan has 253 marbles. Ella has 38 more marbles than Juan. How many marbles does Ella have? Ella has _____ marbles.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Use mental math to solve.

120 + 42 + 80

Tags

CCSS.2.NBT.B.5

478+378

• 680

• 956

• 856

• 100

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

92 + 85 + 135 =

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2