Exploring Base Ten Blocks: Tens and Ones

What does a tall rod in base-10 blocks represent?

• One

• Five

• Ten

• Twenty

If you see a single block, what number does it represent?

• Twenty

• Thirty

• Ten

• One

How many blocks are there if you see one rod and four single blocks?

• Fourteen

• Five

• Ten

• Nine

How do you count when you see a rod and seven single blocks?

• Seven

• Ten

• Seventeen

• Twenty

How many blocks are there if you see one rod and eight single blocks?

• Eighteen

• Nine

• Eight

• Ten

What is the total when you see two rods together?

• Thirty

• Twenty

• Forty

• Ten

What is the method called when you count '10, 20, 30'?

• Double counting

• Single counting

• Backward counting

• Skip counting

If you have two rods and five single blocks, how many blocks are there in total?

• Twenty

• Twenty-five

• Fifteen

• Ten

What is the total when you see two rods and two single blocks?

• Twelve

• Twenty-two

• Twenty

• Two

What is the total number of blocks when you have three rods?

• Fifteen

• Forty

• Twenty

• Thirty