2 Digit by 2 Digit Multiplication

Front

What is the process of multiplying two-digit numbers called?

Back

Two-digit multiplication.

Front

What is the product of 86 and 78?

Back

6,708.

Front

How do you multiply 35 by 40 using the standard algorithm?

Back

Multiply 35 by 4 (140) and then by 30 (1,050), then add the results (1,400).

Front

What is the result of multiplying 20 by 27?

Back

540.

Front

What is the product of 15 and 23?

Back

345.

Front

How can you break down the multiplication of 25 by 16?

Back

25 x 16 = 25 x (10 + 6) = 250 + 150 = 400.

Front

What is the importance of place value in two-digit multiplication?

Back

Place value helps in aligning numbers correctly and understanding the contribution of each digit to the final product.

Front

What is the distributive property in multiplication?

Back

The distributive property states that a(b + c) = ab + ac, allowing for easier calculations.

Front

How do you estimate the product of two two-digit numbers?

Back

Round each number to the nearest ten and multiply the rounded numbers.

Front

What is the area model for multiplication?

Back

The area model visualizes multiplication as the area of a rectangle, where the sides represent the factors.