Mastering Multiplication with One Digit and Tens

What is a multiple of 10?

• Any number divided by 10

• Any number added to 10

• Any number multiplied by 10

• Any number subtracted by 10

If you have 10 tens, what does it equal?

• 1

• 10

• 1000

• 100

How can you represent 3 * 50 using base 10 blocks?

• Three groups of 5 rods

• Three groups of 100 rods

• Three groups of 10 rods

• Three groups of 50 rods

What is the result of 3 * 50?

• 200

• 100

• 150

• 250

When using the standard algorithm, what do you need to add when multiplying by multiples of 10?

• A zero to the ones place

• A zero to the tens place

• A one to the tens place

• A one to the ones place

What is the base fact for 3 * 50?

• 3 * 15

• 3 * 5

• 3 * 10

• 3 * 20