Grade One

L1

Decomposing Numbers within 10

2:22

L2

Addition within 10

2:32

L3

Subtraction within 10

2:54

L4

Making Ten to Add

4:38

L5

Commutative Property of Addition

5:38

L6

Relationship Between Subtraction and Addition

4:39

L7

The Meaning of the Equal Sign

3:50

L8

Fluency in Addition and Subtraction

3:16

L9

Counting to 120

3:07

L10

Tens and Ones

2:18

L11

Comparing Two-Digit Numbers

3:18

L12

Addition within 100

4:49

L13

Mental Math: 10 More / 10 Less

3:07

L14

Subtracting Multiples of 10 within 100

3:50

L15

Length Comparison and Measurement

1:23

L16

Telling Time: On the Hour and Half Hour

0:39

L17

Data Charts: Sorting and Counting

3:32

L18

Shape Attributes: Defining or Non-Defining

2:52

L19

Composing 2D Shapes

2:14

L20

Equal Parts: Halves and Fourths

2:11