Step-by-step Maths Level 1 Adding within 10: check-up and practice test questions

Method. Put the two groups together and count all of them.

1. Count group A. Touch each one once.
   A = 3
2. Count group B. Touch each one once.
   B = 4
3. Put them together. Plus means put together.
   3 + 4 = 7
4. Write the answer. Equals means the same as the total.
   7

Check. Count all of them from one: you also get 7. ✓

Watch out. Count group A first, then add group B to the total.

Method. Put the two groups together and count all of them.

1. Count group A. Touch each one once.
   A = 2
2. Count group B. Touch each one once.
   B = 3
3. Put them together. Plus means put together.
   2 + 3 = 5
4. Write the answer. Equals means the same as the total.
   5

Check. Count all of them from one: you also get 5. ✓

Watch out. Count group A first, then add group B to the total.

Method. Put the two groups together and count all of them.

1. Count group A. Ava has these.
   4
2. Count group B. Ben has these.
   4
3. Put them together. The plus sign means put together.
   4 + 4 = 8
4. Write the answer. Accept any answer that says the groups are put together.
   The total is 8.

Check. Count all 8 balls one at a time. ✓

Watch out. The plus sign means put together, and the equals sign means the same as.

Method. Start at the bigger number. Count on the smaller number.

1. Start at the bigger number. It is quicker to count on from the bigger one.
   3
2. Count on 1 more. Each step moves one number along.
   3 + 1
3. Write the answer.
   4

Check. Count back 1 from 4: you land on 3. ✓

Watch out. Count on, do not start again from one.

Method. Put the two groups together. Start at the bigger number and count on.

1. Start at the bigger number. It is quicker to count on from the bigger one.
   5
2. Count on 4 more. We add 4 to 5.
   5 + 4
3. Write the answer.
   9

Check. Count on from the other number too. You get 9 both ways.

Watch out. Count on, do not start again from one.

Method. Start at the bigger number. Count on the smaller number.

1. Start at the bigger number. It is quicker to count on from the bigger one.
   7
2. Count on 1 more. Each step moves one number along.
   7 + 1
3. Write the answer.
   8

Check. Count back 1 from 8: you land on 7. ✓

Watch out. Count on, do not start again from one.

Method. Put the two groups together. Start at the bigger number and count on.

1. Start at the bigger number. It is quicker to count on from the bigger one.
   10
2. Count on 0 more. We add 0 to 10.
   10 + 0
3. Write the answer.
   10

Check. Count on from the other number too. You get 10 both ways.

Watch out. Count on, do not start again from one.

Method. Put the two groups together. Start at the bigger number and count on.

1. Start at the bigger number. It is quicker to count on from the bigger one.
   9
2. Count on 0 more. We add 0 to 9.
   9 + 0
3. Write the answer.
   9

Check. Count on from the other number too. You get 9 both ways.

Watch out. Count on, do not start again from one.

Method. Add two numbers first, then add the third.

1. Add the first two numbers. Put 1 and 5 together.
   1 + 5 = 6
2. Add the third number. Put 6 and 2 together.
   6 + 2 = 8
3. Write the answer.
   8

Check. Add in a different order: 1 + 2 = 3, then add 5: 8. ✓

Watch out. Work in pairs, one step at a time. Keep the total in your head.

Method. Add two numbers first, then add the third.

1. Add the first two numbers. Put 2 and 1 together.
   2 + 1 = 3
2. Add the third number. Put 3 and 6 together.
   3 + 6 = 9
3. Write the answer.
   9

Check. Add in a different order: 2 + 6 = 8, then add 1: 9. ✓

Watch out. Work in pairs, one step at a time. Keep the total in your head.

Method. Put the two groups together and count all of them.

1. Count group A. Touch each one once.
   A = 5
2. Count group B. Touch each one once.
   B = 2
3. Put them together. Plus means put together.
   5 + 2 = 7
4. Write the answer. Equals means the same as the total.
   7

Check. Count all of them from one: you also get 7. ✓

Watch out. Count group A first, then add group B to the total.

Method. Put the two groups together and count all of them.

1. Count group A. Touch each one once.
   A = 5
2. Count group B. Touch each one once.
   B = 4
3. Put them together. Plus means put together.
   5 + 4 = 9
4. Write the answer. Equals means the same as the total.
   9

Check. Count all of them from one: you also get 9. ✓

Watch out. Count group A first, then add group B to the total.

Method. Put the two groups together and count all of them.

1. Count group A. Ava has these.
   5
2. Count group B. Ben has these.
   5
3. Put them together. The plus sign means put together.
   5 + 5 = 10
4. Write the answer. Accept any answer that says the groups are put together.
   The total is 10.

Check. Count all 10 balls one at a time. ✓

Watch out. The plus sign means put together, and the equals sign means the same as.

Method. Start at the bigger number. Count on the smaller number.

1. Start at the bigger number. It is quicker to count on from the bigger one.
   8
2. Count on 1 more. Each step moves one number along.
   8 + 1
3. Write the answer.
   9

Check. Count back 1 from 9: you land on 8. ✓

Watch out. Count on, do not start again from one.

Method. Put the two groups together. Start at the bigger number and count on.

1. Start at the bigger number. It is quicker to count on from the bigger one.
   8
2. Count on 1 more. We add 1 to 8.
   8 + 1
3. Write the answer.
   9

Check. Count on from the other number too. You get 9 both ways.

Watch out. Count on, do not start again from one.

Method. Start at the bigger number. Count on the smaller number.

1. Start at the bigger number. It is quicker to count on from the bigger one.
   2
2. Count on 2 more. Each step moves one number along.
   2 + 2
3. Write the answer.
   4

Check. Count back 2 from 4: you land on 2. ✓

Watch out. Count on, do not start again from one.

Method. Put the two groups together. Start at the bigger number and count on.

1. Start at the bigger number. It is quicker to count on from the bigger one.
   5
2. Count on 1 more. We add 1 to 5.
   5 + 1
3. Write the answer.
   6

Check. Count on from the other number too. You get 6 both ways.

Watch out. Count on, do not start again from one.

Method. Put the two groups together. Start at the bigger number and count on.

1. Start at the bigger number. It is quicker to count on from the bigger one.
   9
2. Count on 0 more. We add 0 to 9.
   9 + 0
3. Write the answer.
   9

Check. Count on from the other number too. You get 9 both ways.

Watch out. Count on, do not start again from one.

Method. Add two numbers first, then add the third.

1. Add the first two numbers. Put 1 and 4 together.
   1 + 4 = 5
2. Add the third number. Put 5 and 3 together.
   5 + 3 = 8
3. Write the answer.
   8

Check. Add in a different order: 1 + 3 = 4, then add 4: 8. ✓

Watch out. Work in pairs, one step at a time. Keep the total in your head.

Method. Add two numbers first, then add the third.

1. Add the first two numbers. Put 4 and 3 together.
   4 + 3 = 7
2. Add the third number. Put 7 and 1 together.
   7 + 1 = 8
3. Write the answer.
   8

Check. Add in a different order: 4 + 1 = 5, then add 3: 8. ✓

Watch out. Work in pairs, one step at a time. Keep the total in your head.