🔢 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.

   Content standard: 1.10 · counting, reading and writing numbers

2. Unit 2

   🔟Make 10

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

   Content standard: 1.3; 1.6 · using properties of operations and making ten to add within 20

3. Unit 3

   ➕Adding

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

   Content standard: 1.1; 1.6 · solving addition stories and adding within 20

4. Unit 4

   ➖Take Away

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

   Content standard: 1.1; 1.4; 1.6 · solving subtraction stories and subtracting as an unknown-addend problem

5. Unit 5

   ⚖️Equal or Not

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

   Content standard: 1.7 · using the meaning of the equal sign to decide whether an equation is true or false

6. Unit 6

   🔁Patterns

   Finding the repeating part (the core) of patterns like AB, ABB and ABBC, including patterns where color and shape both change.

   Content standard: 1.9 · copying, extending and creating patterns

7. Unit 7

   📏Measuring

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

   Content standard: 1.17; 1.18 · ordering and comparing lengths and measuring with same-size units

8. Unit 8

   🔺Shapes

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

   Content standard: 1.21; 1.22 · defining attributes of shapes and putting shapes together to make new shapes

9. Unit 9

   📊Data & Graphs

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

   Content standard: 1.16 · organizing, showing and reading data with up to three categories

10. Unit 10

    💯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.

    Content standard: 1.10; 1.11; 1.12 · counting to 120, tens and ones, and comparing two-digit numbers

11. Unit 11

    🔢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).

    Content standard: 1.5; 1.10 · counting on and back from any number and relating counting to adding and subtracting

12. Unit 12

    🍕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.

    Content standard: 1.23 · splitting circles and rectangles into equal shares and naming halves

13. Unit 13

    🕐Hour & Half Hour

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

    Content standard: 1.19 · telling and writing time in hours and half hours on analog and digital clocks

14. Unit 14

    🦘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.

    Content standard: 1.13; 1.14; 1.15 · adding within 100, finding 10 more and 10 less, and subtracting multiples of 10

15. Unit 15

    📊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.

    Content standard: 1.16 · reading picture graphs and answering questions about the totals

16. Unit 16

    🪙Coins & Cents

    US coins: naming the penny, nickel, dime and quarter, knowing what each is worth, writing cents with the ¢ sign, and counting a mix of dimes and pennies up to 100¢.

    Content standard: 1.20 · naming pennies and dimes and knowing what each is worth