Basic Addition and Subtraction Problems

The video tutorial covers counting by tens and understanding place value, including hundreds, tens, and ones. It demonstrates how to construct and manipulate numbers using these concepts. The session concludes with a game to reinforce learning.

What is the next number in the sequence: 10, 20, 30, ...?

• 40

• 50

• 60

• 70

How many groups of five make a ten?

• Four

• Three

• Two

• One

If you have two tens, what is the total value?

• 10

• 30

• 20

• 40

What is the place value of the digit '1' in the number 100?

• Thousands

• Ones

• Tens

• Hundreds

How would you make 100 into 110?

• Add 100

• Add 10

• Add 1000

• Add 1

What is the name of the number made of 100, 0 tens, and 1 one?

• 100

• 101

• 110

• 111

If you have 27, how do you make it 26?

• Add 1

• Subtract 1

• Add 10

• Subtract 10

What is the result of taking one away from 14?

• 12

• 13

• 14

• 15

How many hundreds are left if you take one away from four hundreds?

• 4

• 3

• 2

• 1

What is the name of the number made of 2 tens and 5 ones?

• 35

• 30

• 25

• 20