Multiply 2 digits by 2 digits

Front

What is the process for multiplying two-digit numbers?

Back

To multiply two-digit numbers, you can use the standard algorithm: multiply the ones place of the first number by each digit of the second number, then multiply the tens place of the first number by each digit of the second number, and finally add the results together.

Tags

CCSS.4.NBT.B.5

Front

How do you convert days into hours?

Back

To convert days into hours, multiply the number of days by 24, since there are 24 hours in one day.

Tags

CCSS.4.MD.A.1

Front

What is the multiplication of 38 and 27?

Back

38 x 27 = 1,026.

Tags

CCSS.4.NBT.B.5

Front

What is the multiplication of 58 and 56?

Back

58 x 56 = 3,248.

Tags

CCSS.4.NBT.B.5

Front

What is the multiplication of 84 and 55?

Back

84 x 55 = 4,620.

Tags

CCSS.4.NBT.B.5

Front

What is the importance of estimating products before calculating?

Back

Estimating products helps to check the reasonableness of the final answer and can simplify calculations.

Front

What is the distributive property in multiplication?

Back

The distributive property states that a(b + c) = ab + ac, allowing you to break down complex multiplication into simpler parts.

Tags

CCSS.3.OA.B.5

Front

How can you check your multiplication answers?

Back

You can check your multiplication answers by using the inverse operation (division) or by estimating the product.

Tags

CCSS.3.OA.A.3

Front

What is a two-digit number?

Back

A two-digit number is any number from 10 to 99, inclusive.

Tags

CCSS.1.NBT.A.1

Front

What are the steps to multiply two two-digit numbers using the standard algorithm?

Back

1. Multiply the ones digits. 2. Multiply the tens digit of the first number by the ones digit of the second number and add a zero. 3. Multiply the ones digit of the first number by the tens digit of the second number and add a zero. 4. Multiply the tens digits and add two zeros. 5. Add all the results together.

Tags

CCSS.4.NBT.B.5