Step-by-step Maths Level 3: The 10 times table
Part of the Step-by-step Maths Level 3 multiplying with 2, 5 and 10 chapter. Chapter overview · whole chapter on one page
The 10 times table
The 10 times table counts in tens. To multiply by 10, write the number and add a zero at the end.
For example, 10 × 4 = 40, and 9 × 10 = 90.
Key ideas
- Count in tens for the 10 times table.
- Add a zero at the end to multiply by 10.
- Use the same facts in any order.
Method. Count in 10s to find 10 groups of 4. The order of the two numbers does not matter.
- Count in 10s, 4 times. Each count adds one more group of 10.10, 20, 30, 40
- The last number we said is the answer. We counted in equal groups.10 × 4 = 40
- Write the answer. The order of the numbers does not change the answer.40
Check. Check: 4 × 10 is also 40.
Watch out. Say the 10 times table in order until you reach the fact you need.
Method. Count in 10s to find 10 groups of 9. The order of the two numbers does not matter.
- Count in 10s, 9 times. Each count adds one more group of 10.10, 20, 30, 40, 50, 60, 70, 80, 90
- The last number we said is the answer. We counted in equal groups.10 × 9 = 90
- Write the answer. The order of the numbers does not change the answer.90
Check. Check: 9 × 10 is also 90.
Watch out. Say the 10 times table in order until you reach the fact you need.
Method. Count in 10s to find 10 groups of 6. The order of the two numbers does not matter.
- Count in 10s, 6 times. Each count adds one more group of 10.10, 20, 30, 40, 50, 60
- The last number we said is the answer. We counted in equal groups.10 × 6 = 60
- Write the answer. The order of the numbers does not change the answer.60
Check. Check: 6 × 10 is also 60.
Watch out. Say the 10 times table in order until you reach the fact you need.
Watch out
Watch out. 10 × 4 is 40, not 4. Only the zero is added to the end.
Exam tip
Grown-up tip. Count in tens on the fingers of one hand, then two hands. Ask: “What is ten groups of 3?”
Exercise 7C Practice: the 10 times table
Non-calculatorMethod. Count in 10s to find 10 groups of 7. The order of the two numbers does not matter.
- Count in 10s, 7 times. Each count adds one more group of 10.10, 20, 30, 40, 50, 60, 70
- The last number we said is the answer. We counted in equal groups.10 × 7 = 70
- Write the answer. The order of the numbers does not change the answer.70
Check. Check: 7 × 10 is also 70.
Watch out. Say the 10 times table in order until you reach the fact you need.
Method. Count in 10s to find 10 groups of 12. The order of the two numbers does not matter.
- Count in 10s, 12 times. Each count adds one more group of 10.10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120
- The last number we said is the answer. We counted in equal groups.10 × 12 = 120
- Write the answer. The order of the numbers does not change the answer.120
Check. Check: 12 × 10 is also 120.
Watch out. Say the 10 times table in order until you reach the fact you need.
Method. Count in 10s to find 10 groups of 4. The order of the two numbers does not matter.
- Count in 10s, 4 times. Each count adds one more group of 10.10, 20, 30, 40
- The last number we said is the answer. We counted in equal groups.10 × 4 = 40
- Write the answer. The order of the numbers does not change the answer.40
Check. Check: 4 × 10 is also 40.
Watch out. Say the 10 times table in order until you reach the fact you need.
Method. Count in 10s to find 10 groups of 3. The order of the two numbers does not matter.
- Count in 10s, 3 times. Each count adds one more group of 10.10, 20, 30
- The last number we said is the answer. We counted in equal groups.10 × 3 = 30
- Write the answer. The order of the numbers does not change the answer.30
Check. Check: 3 × 10 is also 30.
Watch out. Say the 10 times table in order until you reach the fact you need.
Method. Count in 10s to find 10 groups of 1. The order of the two numbers does not matter.
- Count in 10s, 1 times. Each count adds one more group of 10.10
- The last number we said is the answer. We counted in equal groups.10 × 1 = 10
- Write the answer. The order of the numbers does not change the answer.10
Check. Check: 1 × 10 is also 10.
Watch out. Say the 10 times table in order until you reach the fact you need.
Method. Count in 10s to find 10 groups of 11. The order of the two numbers does not matter.
- Count in 10s, 11 times. Each count adds one more group of 10.10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110
- The last number we said is the answer. We counted in equal groups.10 × 11 = 110
- Write the answer. The order of the numbers does not change the answer.110
Check. Check: 11 × 10 is also 110.
Watch out. Say the 10 times table in order until you reach the fact you need.
Method. Count in 10s to find 10 groups of 8. The order of the two numbers does not matter.
- Count in 10s, 8 times. Each count adds one more group of 10.10, 20, 30, 40, 50, 60, 70, 80
- The last number we said is the answer. We counted in equal groups.10 × 8 = 80
- Write the answer. The order of the numbers does not change the answer.80
Check. Check: 8 × 10 is also 80.
Watch out. Say the 10 times table in order until you reach the fact you need.
Method. Count in 10s to find 10 groups of 6. The order of the two numbers does not matter.
- Count in 10s, 6 times. Each count adds one more group of 10.10, 20, 30, 40, 50, 60
- The last number we said is the answer. We counted in equal groups.10 × 6 = 60
- Write the answer. The order of the numbers does not change the answer.60
Check. Check: 6 × 10 is also 60.
Watch out. Say the 10 times table in order until you reach the fact you need.
Method. Count in 10s to find 10 groups of 7. The order of the two numbers does not matter.
- Count in 10s, 7 times. Each count adds one more group of 10.10, 20, 30, 40, 50, 60, 70
- The last number we said is the answer. We counted in equal groups.10 × 7 = 70
- Write the answer. The order of the numbers does not change the answer.70
Check. Check: 7 × 10 is also 70.
Watch out. Say the 10 times table in order until you reach the fact you need.
Method. Count in 10s to find 10 groups of 2. The order of the two numbers does not matter.
- Count in 10s, 2 times. Each count adds one more group of 10.10, 20
- The last number we said is the answer. We counted in equal groups.10 × 2 = 20
- Write the answer. The order of the numbers does not change the answer.20
Check. Check: 2 × 10 is also 20.
Watch out. Say the 10 times table in order until you reach the fact you need.
Method. Count in 10s to find 10 groups of 5. The order of the two numbers does not matter.
- Count in 10s, 5 times. Each count adds one more group of 10.10, 20, 30, 40, 50
- The last number we said is the answer. We counted in equal groups.10 × 5 = 50
- Write the answer. The order of the numbers does not change the answer.50
Check. Check: 5 × 10 is also 50.
Watch out. Say the 10 times table in order until you reach the fact you need.
Method. Count in 10s to find 10 groups of 6. The order of the two numbers does not matter.
- Count in 10s, 6 times. Each count adds one more group of 10.10, 20, 30, 40, 50, 60
- The last number we said is the answer. We counted in equal groups.10 × 6 = 60
- Write the answer. The order of the numbers does not change the answer.60
Check. Check: 6 × 10 is also 60.
Watch out. Say the 10 times table in order until you reach the fact you need.
Method. Count in 10s to find 10 groups of 10. The order of the two numbers does not matter.
- Count in 10s, 10 times. Each count adds one more group of 10.10, 20, 30, 40, 50, 60, 70, 80, 90, 100
- The last number we said is the answer. We counted in equal groups.10 × 10 = 100
- Write the answer. The order of the numbers does not change the answer.100
Check. Check: 10 × 10 is also 100.
Watch out. Say the 10 times table in order until you reach the fact you need.
Method. Count in 10s to find 10 groups of 1. The order of the two numbers does not matter.
- Count in 10s, 1 times. Each count adds one more group of 10.10
- The last number we said is the answer. We counted in equal groups.10 × 1 = 10
- Write the answer. The order of the numbers does not change the answer.10
Check. Check: 1 × 10 is also 10.
Watch out. Say the 10 times table in order until you reach the fact you need.
Method. Count in 10s to find 10 groups of 4. The order of the two numbers does not matter.
- Count in 10s, 4 times. Each count adds one more group of 10.10, 20, 30, 40
- The last number we said is the answer. We counted in equal groups.10 × 4 = 40
- Write the answer. The order of the numbers does not change the answer.40
Check. Check: 4 × 10 is also 40.
Watch out. Say the 10 times table in order until you reach the fact you need.
Method. Count in 10s to find 10 groups of 8. The order of the two numbers does not matter.
- Count in 10s, 8 times. Each count adds one more group of 10.10, 20, 30, 40, 50, 60, 70, 80
- The last number we said is the answer. We counted in equal groups.10 × 8 = 80
- Write the answer. The order of the numbers does not change the answer.80
Check. Check: 8 × 10 is also 80.
Watch out. Say the 10 times table in order until you reach the fact you need.