🔢 1st grade Math

Units

1. Unit 1

   🔢Numbers to 20

   Counting, ordering and comparing numbers to 20, and seeing teen numbers as 1 ten and some ones.

   Learning standard: 1.NBT.A.1 · counting, reading and representing numbers

2. Unit 2

   💯Numbers to 100

   Reading and building numbers to 100 with tens and ones, comparing them, and seeing that two names can mean the same amount.

   Learning standard: 1.NBT.A.1; 1.NBT.B.2; 1.NBT.B.3 · counting to 120, tens and ones, and comparing two-digit numbers

3. Unit 3

   🔢Count It Up

   Counting forward within 100, back from 20, by 2s to 20, and by 5s and 10s to 100, plus seeing small amounts at a glance (subitizing).

   Learning standard: 1.NBT.A.1; 1.OA.C.5 · counting on and back from any number and relating counting to adding and subtracting

4. Unit 4

   🔟Make 10

   Finding pairs that make 10 (like 6 + 4) with ten frames, fingers and stories. Making 10 is a key strategy for adding.

   Learning standard: 1.OA.B.3; 1.OA.C.6 · using properties of operations and making ten to add within 20

5. Unit 5

   ➕Adding

   Adding to 20 with pictures, ten frames, number lines and short stories, using strategies like counting on, doubles and making 10.

   Learning standard: 1.OA.A.1; 1.OA.C.6 · solving addition problems and adding within 20

6. Unit 6

   ➖Take Away

   Subtracting within 20 by counting back and thinking addition, and solving short take-away and compare stories.

   Learning standard: 1.OA.A.1; 1.OA.B.4; 1.OA.C.6 · solving subtraction problems and subtracting as an unknown-addend problem

7. Unit 7

   ⚖️Equal or Not

   Learning that = means "the same amount as" (not just "the answer is"), and using ≠ when two sides are different.

   Learning standard: 1.OA.D.7 · using the meaning of the equal sign to decide whether an equation is true

8. Unit 8

   📏Measuring

   Measuring length with paper clips and cubes, comparing longer and shorter, heavier and lighter, and seeing why same-size units matter.

   Learning standard: 1.GM.B.4; 1.GM.B.5 · ordering and comparing lengths and measuring with same-size units

9. Unit 9

   🔺Shapes

   Naming and comparing 2D shapes by their sides and corners, and 3D objects by their faces and whether they roll or stack.

   Learning standard: 1.GM.A.1; 1.GM.A.2 · defining attributes of shapes and building composite shapes

10. Unit 10

    🍕One Half

    One half means 1 of 2 equal parts. Children share items fairly between two people and see that two halves make a whole.

    Learning standard: 1.GM.A.3 · partitioning circles and rectangles into equal shares and naming halves

11. Unit 11

    📊Data & Graphs

    Sorting by one attribute, reading picture graphs and bar graphs, and comparing groups.

    Learning standard: 1.DR.B.2 · representing and interpreting data with up to three categories

12. Unit 12

    🕐Hour & Half Hour

    Telling time to the hour and half hour on clocks with hands and on digital clocks.

    Learning standard: 1.GM.C.6 · telling and writing time in hours and half hours on analog and digital clocks

13. Unit 13

    🦘Jump by Tens

    Finding 10 more and 10 less than a number in their head, subtracting tens, and adding ones or tens to a two-digit number.

    Learning standard: 1.NBT.C.4; 1.NBT.C.5; 1.NBT.C.6 · finding 10 more and 10 less, subtracting multiples of 10, and adding within 100

14. Unit 14

    📊Picture Graphs

    Reading picture graphs with three groups: how many in each, how many more, how many in all, and which question a class survey can answer.

    Learning standard: 1.DR.A.1; 1.DR.B.2 · asking questions about the class and reading data with up to three categories