Fluently adding and subtracting three-digit whole numbers

Front

What is the sum of 244 and 16?

Back

The sum of 244 and 16 is 260.

Tags

CCSS.3.NBT.A.2

CCSS.2.NBT.B.7

Front

What is 875 rounded to the nearest hundred?

Back

875 rounded to the nearest hundred is 900.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is the estimated value of 74 + 53 when rounded to the nearest ten?

Back

The estimated value of 74 + 53 is 120.

Front

Estimate the difference of 470 - 289 by rounding to the nearest hundred.

Back

The estimated difference is 200.

Front

What is four hundred plus six hundred?

Back

Four hundred plus six hundred equals 1000.

Front

What is the difference of 452 from 875?

Back

The difference of 452 from 875 is 423.

Tags

CCSS.3.NBT.A.2

CCSS.2.NBT.B.7

Front

How do you round 289 to the nearest hundred?

Back

289 rounded to the nearest hundred is 300.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is the sum of 300 and 400?

Back

The sum of 300 and 400 is 700.

Front

What is 600 minus 250?

Back

600 minus 250 equals 350.

Tags

CCSS.3.NBT.A.2

CCSS.2.NBT.B.7

Front

What is the estimated value of 53 + 47 when rounded to the nearest ten?

Back

The estimated value is 100.