Tens Number Line

Use the open number line on your paper to find the sum. 30 + 10 = ____

Use the open number line on your paper to find the sum. 23 + 20 = ____

Matt found 55 + 28 using the open number line. Is his work correct? Type yes or no

Use the open number line on your paper to find the sum. 46 + 40 = ____

800 is the same as how many ten rods?

• 8

• 0

• 80

• I don't know.

How many ten rods are in 100?

• 10

• I don't know.

• 1

• 0

Which point on the Numberline shows 84?

• A

• B

• C

• D

23 tens = _____

• 23 hundreds

• 2 hundreds 2 tens

• 23 ones

• 2 hundreds 3 tens

There are _____ ten rods in the number 500.

10 tens is the same as...

• 10

• 100

• 1010

• 1000