Step-by-step Maths Level 3: Equal groups and repeated addition

Method. Repeated addition: add the same number once for each group.

1. Write one 2 for each group. There are 3 groups, so there are 3 lots of 2.
   2 + 2 + 2
2. Add them up. Add the groups one after another, or count in steps of the group size.
   2 + 2 + 2 = 6
3. Write the answer. This is the total altogether.
   6

Check. Count in 2s 3 times and you reach 6.

Watch out. Add 2 3 times. Do not add 3 2 times.

Method. Repeated addition: add the same number once for each group.

1. Write one 3 for each group. There are 2 groups, so there are 2 lots of 3.
   3 + 3
2. Add them up. Add the groups one after another, or count in steps of the group size.
   3 + 3 = 6
3. Write the answer. This is the total altogether.
   6

Check. Count in 3s 2 times and you reach 6.

Watch out. Add 3 2 times. Do not add 2 3 times.

Method. Repeated addition: add the same number once for each group.

1. Write one 4 for each group. There are 4 groups, so there are 4 lots of 4.
   4 + 4 + 4 + 4
2. Add them up. Add the groups one after another, or count in steps of the group size.
   4 + 4 + 4 + 4 = 16
3. Write the answer. This is the total altogether.
   16

Check. Count in 4s 4 times and you reach 16.

Watch out. Add 4 4 times. Do not add 4 4 times.

Method. Repeated addition: add the same number once for each group.

1. Write one 4 for each group. There are 5 groups, so there are 5 lots of 4.
   4 + 4 + 4 + 4 + 4
2. Add them up. Add the groups one after another, or count in steps of the group size.
   4 + 4 + 4 + 4 + 4 = 20
3. Write the answer. This is the total altogether.
   20

Check. Count in 4s 5 times and you reach 20.

Watch out. Add 4 5 times. Do not add 5 4 times.

Method. Repeated addition: add the same number once for each group.

1. Write one 2 for each group. There are 5 groups, so there are 5 lots of 2.
   2 + 2 + 2 + 2 + 2
2. Add them up. Add the groups one after another, or count in steps of the group size.
   2 + 2 + 2 + 2 + 2 = 10
3. Write the answer. This is the total altogether.
   10

Check. Count in 2s 5 times and you reach 10.

Watch out. Add 2 5 times. Do not add 5 2 times.

Method. Repeated addition: add the same number once for each group.

1. Write one 2 for each group. There are 4 groups, so there are 4 lots of 2.
   2 + 2 + 2 + 2
2. Add them up. Add the groups one after another, or count in steps of the group size.
   2 + 2 + 2 + 2 = 8
3. Write the answer. This is the total altogether.
   8

Check. Count in 2s 4 times and you reach 8.

Watch out. Add 2 4 times. Do not add 4 2 times.

Method. Repeated addition: add the same number once for each group.

1. Write one 3 for each group. There are 3 groups, so there are 3 lots of 3.
   3 + 3 + 3
2. Add them up. Add the groups one after another, or count in steps of the group size.
   3 + 3 + 3 = 9
3. Write the answer. This is the total altogether.
   9

Check. Count in 3s 3 times and you reach 9.

Watch out. Add 3 3 times. Do not add 3 3 times.

Method. Repeated addition: add the same number once for each group.

1. Write one 2 for each group. There are 4 groups, so there are 4 lots of 2.
   2 + 2 + 2 + 2
2. Add them up. Add the groups one after another, or count in steps of the group size.
   2 + 2 + 2 + 2 = 8
3. Write the answer. This is the total altogether.
   8

Check. Count in 2s 4 times and you reach 8.

Watch out. Add 2 4 times. Do not add 4 2 times.

Method. Repeated addition: add the same number once for each group.

1. Write one 4 for each group. There are 6 groups, so there are 6 lots of 4.
   4 + 4 + 4 + 4 + 4 + 4
2. Add them up. Add the groups one after another, or count in steps of the group size.
   4 + 4 + 4 + 4 + 4 + 4 = 24
3. Write the answer. This is the total altogether.
   24

Check. Count in 4s 6 times and you reach 24.

Watch out. Add 4 6 times. Do not add 6 4 times.

Method. Repeated addition: add the same number once for each group.

1. Write one 3 for each group. There are 2 groups, so there are 2 lots of 3.
   3 + 3
2. Add them up. Add the groups one after another, or count in steps of the group size.
   3 + 3 = 6
3. Write the answer. This is the total altogether.
   6

Check. Count in 3s 2 times and you reach 6.

Watch out. Add 3 2 times. Do not add 2 3 times.

Method. Repeated addition: add the same number once for each group.

1. Write one 4 for each group. There are 4 groups, so there are 4 lots of 4.
   4 + 4 + 4 + 4
2. Add them up. Add the groups one after another, or count in steps of the group size.
   4 + 4 + 4 + 4 = 16
3. Write the answer. This is the total altogether.
   16

Check. Count in 4s 4 times and you reach 16.

Watch out. Add 4 4 times. Do not add 4 4 times.

Method. Repeated addition: add the same number once for each group.

1. Write one 6 for each group. There are 3 groups, so there are 3 lots of 6.
   6 + 6 + 6
2. Add them up. Add the groups one after another, or count in steps of the group size.
   6 + 6 + 6 = 18
3. Write the answer. This is the total altogether.
   18

Check. Count in 6s 3 times and you reach 18.

Watch out. Add 6 3 times. Do not add 3 6 times.

Method. Repeated addition: add the same number once for each group.

1. Write one 6 for each group. There are 6 groups, so there are 6 lots of 6.
   6 + 6 + 6 + 6 + 6 + 6
2. Add them up. Add the groups one after another, or count in steps of the group size.
   6 + 6 + 6 + 6 + 6 + 6 = 36
3. Write the answer. This is the total altogether.
   36

Check. Count in 6s 6 times and you reach 36.

Watch out. Add 6 6 times. Do not add 6 6 times.

Method. Repeated addition: add the same number once for each group.

1. Write one 3 for each group. There are 4 groups, so there are 4 lots of 3.
   3 + 3 + 3 + 3
2. Add them up. Add the groups one after another, or count in steps of the group size.
   3 + 3 + 3 + 3 = 12
3. Write the answer. This is the total altogether.
   12

Check. Count in 3s 4 times and you reach 12.

Watch out. Add 3 4 times. Do not add 4 3 times.

Method. Repeated addition: add the same number once for each group.

1. Write one 5 for each group. There are 6 groups, so there are 6 lots of 5.
   5 + 5 + 5 + 5 + 5 + 5
2. Add them up. Add the groups one after another, or count in steps of the group size.
   5 + 5 + 5 + 5 + 5 + 5 = 30
3. Write the answer. This is the total altogether.
   30

Check. Count in 5s 6 times and you reach 30.

Watch out. Add 5 6 times. Do not add 6 5 times.

Method. Repeated addition: add the same number once for each group.

1. Write one 3 for each group. There are 6 groups, so there are 6 lots of 3.
   3 + 3 + 3 + 3 + 3 + 3
2. Add them up. Add the groups one after another, or count in steps of the group size.
   3 + 3 + 3 + 3 + 3 + 3 = 18
3. Write the answer. This is the total altogether.
   18

Check. Count in 3s 6 times and you reach 18.

Watch out. Add 3 6 times. Do not add 6 3 times.