📐 Math · Grade 1

Number Sense 1

Counting to 100, tens and ones, adding and subtracting within 20, story problems, shapes, patterns, measuring, time, money and picture graphs, learned with objects first and numbers after.

Units

1. Unit 1 · reading, activity, quick check, quick check, activity

   Counting to 100

   Count real things to 100, in ones and in tens, and read and write the numbers.

2. Unit 2 · reading, lab, activity, quick check, quick check, activity

   Tens and ones

   Bundle things into tens, and find out why the 3 in 35 is worth thirty.

3. Unit 3 · reading, lab, activity, quick check, quick check, activity

   Comparing numbers

   Find out which number is bigger, which is smaller, and when they are the same, by looking at the tens first.

4. Unit 4 · reading, lab, activity, quick check, quick check, activity

   Number bonds

   Split a number into two parts in every way, and see how a number can be broken up and put back together without changing.

5. Unit 5 · reading, lab, activity, quick check, quick check, activity

   Adding within 20

   Add numbers up to 20 by counting on, making ten and using doubles, and see why the order does not change the total.

6. Unit 6 · reading, lab, activity, quick check, quick check, activity

   Subtracting within 20

   Take away by counting back, and find a missing part by thinking about the whole.

7. Unit 7 · reading, activity, quick check, quick check, activity

   Story problems

   Act out and draw a story to find out what is happening, then write it as a number sentence.

8. Unit 8 · reading, lab, activity, quick check, quick check, activity

   Adding tens and ones

   Add tens to tens and ones to ones, and find 10 more and 10 less in a snap.

9. Unit 9 · reading, lab, activity, quick check, quick check, activity

   Flat and solid shapes

   Name shapes by their sides and corners, spot solid shapes at home, and split a shape into halves and quarters.

10. Unit 10 · reading, lab, activity, quick check, quick check, activity

    Patterns

    Find the rule that repeats or grows, and use it to say what comes next.

11. Unit 11 · reading, lab, activity, quick check, quick check, activity

    Measuring length

    Find out which is longer, and measure it with paper clips or cubes so everyone gets the same answer.

12. Unit 12 · reading, lab, activity, quick check, quick check, activity

    Time and the calendar

    Read a clock at the hour and half hour, and find your way around the days, weeks and months of a calendar.

13. Unit 13 · reading, lab, activity, quick check, quick check, activity

    Money

    Know your coins and notes, make the same amount in different ways, and work out change from ten rupees.

14. Unit 14 · reading, lab, activity, quick check, quick check, activity

    Picture graphs

    Ask a question, count the answers with tally marks, and draw a picture graph that tells everyone what you found out.