Multiply by Two Digit Numbers

Front

What is the process of estimating a product when multiplying two-digit numbers?

Back

Round each factor to the nearest ten, then multiply the rounded numbers.

Tags

CCSS.4.NBT.B.5

Front

Estimate the product: 74 × 49. Round each factor to the nearest ten.

Back

3500

Tags

CCSS.4.NBT.B.5

Front

Estimate the product: 64 × 46. Round each factor to the nearest ten.

Back

3000

Tags

CCSS.4.NBT.B.5

Front

How many notebooks do 354 students get if each student receives 12 notebooks?

Back

4,248

Tags

CCSS.5.NBT.B.6

CCSS.6.NS.B.2

Front

If Andy runs for 45 minutes and burns 12 calories per minute, how many calories does he burn?

Back

540

Tags

CCSS.3.OA.A.3

Front

How many minutes does Ilicia exercise in 28 days if she exercises 45 minutes each day?

Back

1,260

Front

What is the formula to calculate the total number of items when given the number of groups and items per group?

Back

Total = Number of groups × Items per group.

Tags

CCSS.2.OA.C.3

Front

What is rounding in mathematics?

Back

Rounding is the process of adjusting a number to a nearby specified value, often to make calculations easier.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is a two-digit number?

Back

A number that has two digits, ranging from 10 to 99.

Tags

CCSS.1.NBT.A.1

Front

What is multiplication?

Back

Multiplication is a mathematical operation where a number is added to itself a certain number of times.

Tags

CCSS.3.OA.A.1