Grade 1 › G1U04 Making 10 and Numbers 10–20

GRADE 1 · ALBERTAOUTCOME AB-G1-1N2

L1 · Ten and some more: numbers from 11 to 20

Learning goal

“I can see numbers from 11 to 20 as a full ten and some more.”

Ten frame — a box with two rows of five spaces. A full frame is one ten.
Full ten — all 10 boxes filled. It is worth 10, all by itself.
Some more — the extra dots beside a full ten. They tell you the rest of the number.
Teen number — a number from 11 to 20. Every teen number is a full ten and some more.
Worked example

A ten frame is full. There are 3 more dots beside it. How many dots in all? Step 1: The full frame is a whole ten: 10. Step 2: Count the extras: 3 more. Step 3: 10 and 3 more makes 13.

Check yourself — explain it

13 is...

Paired problem — example still visible

A full ten frame and 5 more dots. How many dots in all? -> 15

Faded completion — last step is yours

"A full ten frame and 2 more dots make ___." -> 12

Ready to practise?

8 scored questions with a 3-rung hint ladder. Mastery needs 7/8 plus both gate questions.