Section A Checkpoint

Front

What is the approximate value of 257 × 63?

Back

257 × 63 is approximately 16,191.

Front

Is 257 × 63 approximately equal to 1,500?

Back

No, because 257 × 63 is not approximately 1,500.

Front

Calculate 359 × 63.

Back

359 × 63 = 22,617.

Front

What is the product of 628 × 25?

Back

628 × 25 = 15,700.

Front

What is the standard algorithm in multiplication?

Back

The standard algorithm is a step-by-step method for multiplying numbers, involving carrying over values.

Front

What does it mean to estimate a product?

Back

Estimating a product means finding a number that is close to the actual product, often by rounding.

Front

How do you round 257 to the nearest ten?

Back

257 rounded to the nearest ten is 260.

Front

What is the first step in using the standard algorithm for multiplication?

Back

The first step is to align the numbers vertically by place value.

Front

What is the value of 2 × 3?

Back

2 × 3 = 6.

Front

What is the value of 10 × 10?

Back

10 × 10 = 100.