Year 3 Term 6

Key Concepts – Number – Calculation

• Children understand the importance of place value and therefore add the ones together and tens together.
• Children understand that addition is commutative but subtraction is not.
• Children understand that multiplication is commutative but division is not
• The inverse of addition is subtraction and we can use this to check our answers
• Multiplication is the same as repeated addition
• Division is the same as repeated subtraction.
• That when you add one digit numbers together and they total greater than 10, you must exchange this into a ten and put it into the tens column. The same should happen if you have more than 10 tens or more than 10 hundreds.
• Children should be able to look at the calculation and make a decision as to how to calculate the answer. Estimation can help with this.
• Children understand the relationship between multiplication and division and use known fact to calculate the answer.
• Children understand that the 2 times tables are in the 4 times tables, and the 4 times tables are in the 8 times tables.

Key Vocabulary

Add

Total

 Sum

 Subtract

 Minus

Difference

Divide

Division

Divisible

Left over

Remainder

Multiply

Product

Row

Column

Key Concepts –Topic- Measure- Time

• Children understand the difference between the hour hand and minute hand.
• Children understand that Roman numerals are a representation of numbers but you still read the time the same way.
• Children understand that there are 60 seconds in a minute, 60 minutes in an hour and 24 hours in a day.

Key Vocabulary

O’clock

Am /Pm

Afternoon

Noon

Midnight

Second

Minute

Hour

Day

Week

Month

Year

Leap year

Common Misconceptions – Number- Calculation

• Children may not understand the value of each digit and therefore add ones with hundreds etc
• Children believe that both subtraction and division are commutative
• Children believe that estimation is the correct answer, not just a ‘early correct; answer.

Common Misconception – Topic- Measure- Time

• Children will interchange the 60 and 24 and will think there are 24 minutes in an hour or 60 hours in a day
• Children confuse the minutes and second hands when reading the time
• When children are counting durations which go through an hour, they do not change the hour time.