Counting by 3s Worksheets

Age 7-8Math5 activity pagesFree printable

Help your child build a strong foundation in math with these skip counting by 3s worksheets. By filling in the missing numbers, students will develop number sense and prepare for early multiplication. These medium-difficulty pages are perfect for second graders looking to practice counting forward by threes.

TinyClimbs

Counting by 3s Worksheets

Age 7-85 activity pages

Free printable from tinyclimbs.com

Start practicing counting by threes by filling in the missing numbers in each row.

Skip Counting by 3s · Forwards
Fill in the missing numbers. Each row counts up by 3.
#1
30, , 36, , 42, , ,
#2
48, , 54, , 60, , ,
#3
51, , 57, , 63, , ,
#4
57, , 63, , 69, , ,
#5
33, , 39, , 45, , ,
#6
6, , 12, , 18, , ,
#7
18, , 24, , 30, , ,
#8
15, , 21, , 27, , ,
#9
45, , 51, , 57, , ,
#10
42, , 48, , 54, , ,

Keep the momentum going with another page of skip counting by threes.

Skip Counting by 3s · Forwards
Fill in the missing numbers. Each row counts up by 3.
#1
36, , 42, , 48, , ,
#2
6, , 12, , 18, , ,
#3
9, , 15, , 21, , ,
#4
45, , 51, , 57, , ,
#5
60, , 66, , 72, , ,
#6
39, , 45, , 51, , ,
#7
51, , 57, , 63, , ,
#8
33, , 39, , 45, , ,
#9
30, , 36, , 42, , ,
#10
21, , 27, , 33, , ,

More practice to help your child memorize the pattern of counting by threes.

Skip Counting by 3s · Forwards
Fill in the missing numbers. Each row counts up by 3.
#1
36, , 42, , 48, , ,
#2
30, , 36, , 42, , ,
#3
21, , 27, , 33, , ,
#4
51, , 57, , 63, , ,
#5
39, , 45, , 51, , ,
#6
45, , 51, , 57, , ,
#7
12, , 18, , 24, , ,
#8
57, , 63, , 69, , ,
#9
24, , 30, , 36, , ,
#10
54, , 60, , 66, , ,

Build math fluency and confidence with these fill-in-the-blank number sequences.

Skip Counting by 3s · Forwards
Fill in the missing numbers. Each row counts up by 3.
#1
39, , 45, , 51, , ,
#2
48, , 54, , 60, , ,
#3
54, , 60, , 66, , ,
#4
57, , 63, , 69, , ,
#5
18, , 24, , 30, , ,
#6
3, , 9, , 15, , ,
#7
21, , 27, , 33, , ,
#8
45, , 51, , 57, , ,
#9
42, , 48, , 54, , ,
#10
30, , 36, , 42, , ,

A final sheet to master counting forward by threes and prepare for multiplication.

Skip Counting by 3s · Forwards
Fill in the missing numbers. Each row counts up by 3.
#1
27, , 33, , 39, , ,
#2
12, , 18, , 24, , ,
#3
60, , 66, , 72, , ,
#4
36, , 42, , 48, , ,
#5
3, , 9, , 15, , ,
#6
0, , 6, , 12, , ,
#7
51, , 57, , 63, , ,
#8
39, , 45, , 51, , ,
#9
54, , 60, , 66, , ,
#10
30, , 36, , 42, , ,

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