4.NBT.5 Post Assessment Review

Front

What is multiplication?

Back

Multiplication is a mathematical operation that represents the repeated addition of a number. For example, 4 x 3 means adding 4 three times (4 + 4 + 4 = 12).

Front

What does it mean to estimate a product?

Back

Estimating a product means finding a rough calculation of the result of multiplication, often by rounding the numbers to make the math easier.

Front

What is the product of 78 and 43?

Back

3,354

Front

What is the product of 7,025 and 6?

Back

42,150

Front

How do you estimate 468 x 3?

Back

Round 468 to 500, then multiply: 500 x 3 = 1,500.

Front

What is the estimated product of 7,246 and 6?

Back

42,000 (by rounding 7,246 to 7,000).

Front

What is the product of 398 and 6?

Back

2,388

Front

What is the importance of place value in multiplication?

Back

Place value helps us understand the value of digits in a number, which is crucial for accurate multiplication.

Front

What is a factor?

Back

A factor is a number that divides another number evenly. For example, in 6 x 4 = 24, both 6 and 4 are factors of 24.

Front

What is the commutative property of multiplication?

Back

The commutative property states that changing the order of the numbers in multiplication does not change the product. For example, 3 x 4 = 4 x 3.