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Basic 1

Basic 1 Mathematics Notes

Open a topic to read the notes, copy the key parts into your notebook and do the exercises.

Counting, Representation and Cardinality

  1. Counting Objects up to 20In this topic you will count objects one by one. You will find out "how many" things are in a group.
  2. Counting Forwards, Backwards and Skip CountingIn this topic you will count forwards and backwards. You will also count in 2s and in 10s.
  3. Numbers Around a Given NumberIn this topic you will find the number just before, just after and between other numbers. You will use a hundred chart.

Number Operations

  1. Adding NumbersIn this topic you will learn that adding means putting groups together. You will use the plus sign (+) and the equals sign (=).
  2. Taking Away (Subtraction)In this topic you will learn that subtracting means taking away. You will use the minus sign (–).
  3. Word Problems: Joining, Separating and ComparingIn this topic you will solve number stories. You will join groups, separate groups and compare groups within 20.
  4. Adding and Subtracting Are RelatedIn this topic you will see how adding and subtracting are linked. You will use this to find missing numbers within 20.

Fractions

  1. One-HalfIn this topic you will learn that a half is one of two equal parts of a whole.
  2. Half of a GroupIn this topic you will find half of a group of objects by sharing them equally into two groups.
  3. Counting in HalvesIn this topic you will count using halves: one-half, two-halves, three-halves and more.
  4. Halves in Pictures and Number LinesIn this topic you will count halves using pictures and a number line.

Money

  1. Ghanaian CoinsIn this topic you will learn the names of Ghanaian coins. You will learn how many pesewas make one cedi.