Factors · Multiples · 2.2

List multiples.

To list multiples, multiply the number by 1, 2, 3, and so on. The multiples of 6 are 6, 12, 18, 24, 30, 36, … Every number is a multiple of itself and of 1.

01 / THE IDEA

See it work.

Skip-counting

Multiples of 6.

Count up by 6 — every highlighted square is a multiple.

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100

Watch the method

List multiples

Multiples of 6: 6, 12, 18, 24, 30, 36.

1 / 1
66
1

Skip-count

Count up by 6.

6,  12,  18,  24,  30,  36,  …6,\; 12,\; 18,\; 24,\; 30,\; 36,\; \dots
02 / YOUR TURN

Practice until it feels automatic.

Your turn

Work it out.

Type a list, e.g. 1, 2, 3, 6.

streak 0
best 0
… =
— / WHY IT WORKS

The idea underneath.

Build them up

Add the number repeatedly, or multiply by each counting number.

Why it works

6, then +6, +6, …

03 / WORKED EXAMPLES

From easy to tricky.

EX 1easy

List the first six multiples of 4.

1

Skip-count

Count up by 4. 4, 8, 12, 16, 20, 24, …

EX 2medium

List the first six multiples of 4.

1

Skip-count

Count up by 4. 4, 8, 12, 16, 20, 24, …

EX 3hard

List the first six multiples of 12.

1

Skip-count

Count up by 12. 12, 24, 36, 48, 60, 72, …

04 / COMMON TRAPS

Where students slip.

Trap

Skipping a multiple.

Fix

Add the number consistently each time.

Trap

Listing factors instead.

Fix

Multiples grow; factors divide.

05 / QUIZ

Test yourself.

The Test

12 problems across three tiers. Auto-graded on submit. Hints and a full walkthrough on every question. Your work is saved on this device — sign in to keep it across devices.

0/12Answered
How to answerType just the value. Formatting won't trip you up — we ignore spaces, capital letters, commas, and subscript style, so t₁ = 5, d = 3 and t1=5,d=3 both count. For a list of numbers, separate them with commas (e.g. 3, 10, 17).
Core

Core (4)

C1

List the first six multiples of 6.

Need a hint?
  • Multiply by 1, 2, 3, …
  • Or keep adding the number.
C2

List the first six multiples of 6.

Need a hint?
  • Multiply by 1, 2, 3, …
  • Or keep adding the number.
C3

List the first six multiples of 8.

Need a hint?
  • Multiply by 1, 2, 3, …
  • Or keep adding the number.
C4

List the first six multiples of 10.

Need a hint?
  • Multiply by 1, 2, 3, …
  • Or keep adding the number.
Apply

Apply (4)

A1

List the first six multiples of 8.

Need a hint?
  • Multiply by 1, 2, 3, …
  • Or keep adding the number.
A2

List the first six multiples of 5.

Need a hint?
  • Multiply by 1, 2, 3, …
  • Or keep adding the number.
A3

List the first six multiples of 9.

Need a hint?
  • Multiply by 1, 2, 3, …
  • Or keep adding the number.
A4

List the first six multiples of 3.

Need a hint?
  • Multiply by 1, 2, 3, …
  • Or keep adding the number.
Extension

Extension (4)

E1

List the first six multiples of 9.

Need a hint?
  • Multiply by 1, 2, 3, …
  • Or keep adding the number.
E2

List the first six multiples of 3.

Need a hint?
  • Multiply by 1, 2, 3, …
  • Or keep adding the number.
E3

List the first six multiples of 6.

Need a hint?
  • Multiply by 1, 2, 3, …
  • Or keep adding the number.
E4

List the first six multiples of 6.

Need a hint?
  • Multiply by 1, 2, 3, …
  • Or keep adding the number.