Games

Grade 2 · Standard, Word & Expanded Form

Number Forms Observatory

OBSERVATION 1 OF 5

Match the word form and expanded form with 247.

1/5
A three-dial number observatory console
Standard form247 Locked clue
Word formtwo hundredsixty-seven
Expanded form300 + 40

Turn the two open dials until all three forms show the same number.

Learn the math: Standard, Word & Expanded Form to 1,000

Standard, word, and expanded forms name the same quantity. Zero can hold an empty place in standard form.

A worked example

406 can be written four hundred six or 400 + 6. It has four hundreds, no tens, and six ones.

Keep in mind while you play

Do not drop a zero from the standard number when a place is empty.

About Number Forms Observatory

A free Grade 2 math game for practicing standard, word & expanded form to 1,000. No account or download is needed.

Learning area: Numbers & counting · Number Forms to 1,000.

Difficulty: 2 · Practice within Grade 2. Apply a skill with more choices, larger numbers or extra steps.

Next in this learning areaComet Number Compare2 · Practice

What to do

Read the locked number form. Turn the other two observatory dials until the standard, word, and expanded forms all represent the same number.

Choose an activity that fits your learner. Grade labels are a guide; adults can help with the instructions.

More Grade 2 math games