Curated OER
Reading Tally Charts #2
Keep count with tally marks! First graders practice reading tally marks with this straightforward learning exercise. They work with interpreting data from a chart, as well as working with addition and subtraction under 20. A great math...
Curated OER
Number Bonds to 20
Showcase all the different ways one can pair numbers, resulting in an answer of 20. Cute images such as, a cup and water, tennis racket and ball, and a soccer ball and net help kids make the addition connection. This is a great...
Curated OER
Riddles Everywhere
In this addition worksheet, students solve 5 word problems which are in riddle form. Then students use their answers to solve another riddle at the bottom of the page.
Curated OER
Addition Up To 20: Missing Facts
In this addition up to twenty worksheet, students use their knowledge of addition facts fo fill in the missing numbers in two addition charts.
Curated OER
Addition Facts Hidden Picture
In this addition hidden picture activity, students solve the 30 addition facts 0 to 20. Students then use their answers to color a hidden picture according to the key provided.
Curated OER
Addition to 20: Christmas Train
In this Christmas addition instructional activity, learners solve 4 problems in which objects in a set are counted and the numbers written to form an addition fact in a train shape. All pictures pertain to Christmas.
PBS
Pbs Learning Media: Teaching Tips: Deductive and Inductive Reasoning (1St Grade)
Use these teaching tips from the PBS Kids Lab to help children make sense of problems and persevere in solving them, determine the unknown whole number in an addition or subtraction equations, use addition and subtraction within 20 to...
CK-12 Foundation
Ck 12: Math Grade 1
Browse resources related to first-grade math standards. Click on a topic for interactive lessons, videos, and extra practice.
CK-12 Foundation
Ck 12: Math Grade 2
Browse resources related to second-grade math standards. Click on a topic for interactive lessons, videos, and extra practice.