### Conker KIRFs - Number Problems The KIRF (Key Instant Recall Fact) applications display fifteen random number problems. You can choose to complete these against the clock or now there is a non-timed version which will track the number of mistakes you make. Choose a link on the right to get started.

The type of question is determined by the KIRF that is selected when the program starts. Currently it supports the following KIRFs.

##### Autumn 1
• Know all the number bonds to 5.
• Know all number bonds to 20.
• Know all number bonds for each number up to 20.
• Know all number bonds to 100.
• Know all decimals that total 1 or 10 (1 decimal place).
##### Autumn 2
• Know multiplication and division facts for 2x table.
• Know multiplication and division facts for 5x and 10x tables.
• Know multiplication and division facts for the 7 and 8x tables.
• Consolidate multiplication and division facts for all times tables.
• All times tables up to 10x10 including decimals.
##### Spring 1
• Know all number bonds to 10.
• Know multiplication and division facts for 10x table.
• Know multiplication and division facts for 2x and 4x table.
• Know all 2-digit pairs that total 100.
• Know the doubles and halves of all two-digit numbers.
• Know doubles and halves of 2-digit decimals.
##### Spring 2
• Be able to partition numbers to 5 into two groups.
• Know all doubles and halves to 10.
• Know the doubles and halves of all numbers to 20.
• Know doubles and halves of all multiples of 10 to 500.
• Know doubles and halves of all multiples of 100 to 5000.
• Know doubles and halves of all multiples of 5 to 1000.
• Know doubles and halves of all multiples of 50 to 5000.
• Know doubles and halves of all whole numbers to 50.
• Know doubles and halves of all multiples of 10 to 1000.
• Know doubles and halves of all multiples of 100 to 10,000.
• Know doubles and halves of all whole numbers to 100.
• Know the doubles and halves of all multiples of 10 to 10000.
##### Summer 1
• Count in 10s.
• Know all add/subtract facts for all numbers between 0 and 10.
• Know all add/subtract facts for multiples of 10 to 100.
• Know all add/subtract facts for multiples of 100 to 1000.
• Know all add/subtract facts for multiples of 5 with a total of 100.
• Know all add/subtract facts for number pairs that total 100.
• Know all pairs of multiples of 50 with a total of 1000.
• Know all pairs of factors of numbers up to 100.
• Know the tests for divisibility for 4 and 6.
##### Summer 2
• Count in 2s. Fill a numberline.
• Count forward and backward in steps of 2, 5 and 10.
• Know multiplication and division facts for 5x tables.
• Know all multiplication and division facts for 3x, 6x and 9x table.
• Know all multiply/divide facts for all tables up to 10 x10.