Multiplying Multi-Digit Numbers

Front

To multiply multi-digit numbers most efficiently, put the number with ________ on top.

Back

the most digits

Front

Solve: 123 x 9

Back

1107

Front

Multiply 254 x 32=

Back

8128

Front

Solve: 81 x 30

Back

2430

Front

Solve: 63 x 42

Back

2646

Front

What is the product of a number and zero?

Back

Zero (any number multiplied by zero equals zero).

Front

What is the product of a number and one?

Back

The number itself (any number multiplied by one equals the number).

Front

What is the area of a rectangle with length 5 and width 4?

Back

20

Front

What is the distributive property?

Back

a(b + c) = ab + ac (distributing a number across a sum).

Front

What is the commutative property of multiplication?

Back

a x b = b x a (the order of multiplication does not change the product).