Khan Academy

Subtracting 1s using place value-video (K-A)

Adding 2-digit numbers without regrouping 1-video (K-A)

Adding 2-digit numbers without regrouping 2-video (K-A)

Adding by making a group of 10-video (K-A)

Breaking apart 2-digit addition problems-video (K-A)

Ordering by length (K-A)

Regrouping to add 1-digit number-video (K-A)

Reading bar graphs: dog bones-video (K-A)

Telling time (labeled clock)-video (K-A)

Cousin Fal's shape collection-(video) (K-A)

Recognizing shapes-(video) (K-A)

Halves and fourths-video (K-A)

Missing numbers between 0 and 120 (K-A)

Number grid (K-A)

Intro to place value-video (K-A)

Place value example: 25 (K-A)

Place value example: 42 (K-A)

Greater than and less than symbols (K-A)

Adding 7 + 6

Adding 8 + 7

Adding within 20 using place value blocks

Adding within 20 using ten frames

Adding with arrays (K-A)

Repeated addition: haircuts (K-A)

Using arrays in word problems (K-A)