Read and Write Numerals to 120

Students will read and write numerals from 0 to 120, including three-digit numbers in the range 100–120. Students connect spoken number names, written numerals, and quantities represented by objects.

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Grade 1 · Counting and Place Value to 120 · question 1 of 3

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12 rungs. A star at the top.

How do you write 'forty-three'?

How it is taught

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A numeral is how we write a number.

100 is 1 hundred.

Read it: Hear the number name, write the numeral

Listen: forty-two. That is 4 tens and 2 ones, so we write 42.

Listen to the number name: forty-two.
The first part tells the tens: forty is 4 tens.
The last part tells the ones: 2. Write 42.

Each number name tells the tens, then the ones.

The blocks show how many: 4 tens and 2 ones.

One hundred five is 1 hundred, 0 tens and 5 ones: 105.

Write the tens, then the ones. Write 0 where a place is empty.

Writing 402 for forty-two, because you hear forty and two.

Forty is 4 tens: 4 in the tens place, then 2. Write 42.

Type the numeral for: one hundred twenty. — 120. One hundred twenty is written 120.

114

Imagine a jar with one hundred fourteen marbles. How do we write that big number?

We'll use a place-value chart with three columns: hundreds, tens, and ones.

Start with the hundreds. We have one group of one hundred.

So we write a one in the hundreds column.

Next the tens. We have one group of ten.

Write a one in the tens column too.

Finally the ones. We have four single marbles.

Write a four in the ones column.

Now read it together: one hundred fourteen.

One hundred fourteen is written one, one, four. Nice reading!

Grade 1 · Reading and writing 114

What you see

While they climb, your page writes one true line to ask about tonight, and a short note each Sunday.

MayaGrade 3 · Mathematics

Did you know?

A chessboard has 64 squares — share them out between the 8 rows and each row holds exactly 8.

Today’s goal: 1 star — one skill mastered, every rung of its ladder climbed
Climbing now: Divide within 100

An example student.

MayaGrade 3 · Mathematics

Maya earned 2 stars this week — Interpret multiplication as equal groups, which took 6 answers over 3 days before its star landed 3 days ago and Multiply by 6, 7, 8 and 9. Next up: Divide within 100.

An example week.

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