Grade 1 · Level 1 · Numeracy acquisition
MATH 1
The long climb to KS-10 begins.
Meridian Note
Addition facts within 20 begin the long climb to KS-10: daily rapid oral Q&A and expanding-interval flashcards (KS-4 promotion drills). Word problems are introduced at KS-1–2 only — exposure to the idea that arithmetic describes situations, not yet independent application.
The Fix Registry
Skills of This Course
Every skill is pinned to the meridian by fix notation — where along the scale, and at what depth. The highlighted state is this course's target: the state an honest instrument must certify before the skill counts as covered here.
| Skill | Fixes | Target at Level 1 |
|---|---|---|
| Addition within 20 | 1-KS460-KS10 | KS-4Recalled |
| Subtraction within 20 | 1-KS460-KS10 | KS-4Recalled |
| Place value to 100 | 1-KS414-KS5 | KS-4Recalled |
| Length measurement | 1-KS427-KS7 | KS-4Recalled |
| Time & money | 1-KS427-KS7 | KS-4Recalled |
| Simple geometry | 1-KS439-KS7 | KS-4Recalled |
Course of Instruction
Units
Unit 1.Adding Within 20
9 practice itemsAdding means putting groups together. When you add, you find out how many you have in all. You will add every day of your life — toys, snacks, points in a game. This unit shows you what adding really means, and some smart tricks that make it fast.
MatchingMultiple choiceFill in the blankShort answerOral probe
Unit 2.Subtracting Within 20
8 practice itemsSubtracting means taking away, or finding how many are left. It also tells you how far apart two numbers are. Best of all — subtracting is adding's best friend. If you know your addition facts, you already know your subtraction facts. This unit shows you why.
MatchingMultiple choiceFill in the blankShort answerOral probe
Unit 3.Tens and Ones
8 practice itemsBig numbers are made of little bundles. Every number up to 100 is just some tens and some ones. Once you see the bundles, big numbers stop being scary. This unit shows you how our number system really works — and why the number 34 means what it means.
MatchingMultiple choiceFill in the blankShort answerOral probe
Unit 4.Measuring, Time, and Money
13 practice itemsMath is not only about numbers on paper. It helps you measure how long things are, read a clock, and count coins. In this unit you become a measurer, a timekeeper, and a coin expert — three real-life math jobs.
Multiple choiceMatchingFill in the blankShort answer
Unit 5.Shapes All Around
8 practice itemsShapes are everywhere — in windows, wheels, signs, and slices of pizza. In this unit you learn what really makes a shape a shape, meet the solid shapes you can hold, and learn to cut shapes into fair, equal parts.
MatchingMultiple choiceFill in the blank
Unit 6.Math Tells Stories
17 practice itemsNumbers are not just for worksheets. They tell stories about real things — ducks on a pond, crayons in a box, cookies on a plate. In this unit you learn to listen to a story and hear the math hiding inside it. This is just the beginning: for now, your only job is to spot whether a story is a putting-together story or a taking-away story.
MatchingMultiple choiceFill in the blankShort answerOral probe