Missing Symbols and Basic Operations

The video tutorial covers a maths lesson for year one students, starting with a warm-up exercise involving addition and subtraction using specific numbers. It explains the concepts of addition and subtraction with examples, followed by an exercise on identifying missing symbols in number sentences. The teacher introduces the four frames method for problem-solving and demonstrates it with an example. The lesson concludes with instructions for student activities involving number sentences and word problems.

What numbers are used in the warm-up exercise?

• 9, 11, 13

• 8, 14, 6

• 5, 12, 15

• 10, 17, 7

What happens to numbers when you add them?

• They get smaller

• They stay the same

• They get bigger

• They disappear

If you start with 10 and add 17, can you end up with 7?

• Yes

• No

• Sometimes

• Only if you subtract

What is the result of 10 plus 7?

• 27

• 10

• 17

• 7

In subtraction, what do you start with?

• The smallest number

• The number you want to end with

• Any number

• The whole number

What is the result of 17 minus 7?

• 10

• 7

• 17

• 0

What is the missing symbol in the sentence: 5 _ 6 = 11?

• +

• -

• x

• /

What is the missing symbol in the sentence: 12 _ 5 = 17?

• /

• x

• -

• +

What is the missing symbol in the sentence: 15 _ 4 = 11?

• +

• -

• /

• x

What is the first step in solving a word problem using four frames?

• Write a number sentence

• Draw a picture

• Guess the answer

• Use a calculator