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Practice addition and subtraction with this free, editable 1st grade lesson. Aligned to the Common Core (1.OA), covering objectives such as: use addition and subtraction within 20 to solve word problems. Created with Chalkie.ai and fully customizable for your class.
This 1st grade place value lesson is ready to present in class. Aligned to the Common Core (1.NBT), covering objectives such as: understand that the two digits of a two-digit number represent amounts of tens and ones. Made on Chalkie.ai. Edit, download, and present for free.
Help your 1st grade students master measurement and data with this editable lesson. Aligned to the Common Core (1.MD), covering objectives such as: order three objects by length and compare the lengths of two objects indirectly. Sign up free to Chalkie.ai to adapt this for your class.
A Common Core-aligned 1st grade lesson covering geometry (1.G), including objectives such as: compose two-dimensional shapes to create a composite shape. Fully editable on Chalkie.ai. Sign up free to customize.
Build confidence in number patterns with this editable 1st grade resource. Aligned to the Common Core (1.OA), covering objectives such as: determine the unknown whole number in an addition or subtraction equation. Built with Chalkie.ai. Free to edit, present, and share.
First grade is the year math facts start to stick. These 1st grade math lessons cover the Common Core domains that matter most this year: addition and subtraction word problems within 20 (1.OA), tens-and-ones place value (1.NBT), comparing and ordering lengths (1.MD), composing shapes (1.G), and finding unknown numbers in equations (1.OA).
Every lesson is a ready-to-present slide deck with a built-in teaching sequence: warm-up, modeled examples, guided practice, and a quick check for understanding. The word problems use situations six-year-olds recognize, and the place value slides lean on visual models of tens and ones rather than abstract notation.
Present a deck as-is, or open it in Chalkie first and tune it: change the numbers, swap problem contexts for your students' names and interests, or add a challenge slide for early finishers. Adapting an existing deck takes minutes; building one from scratch takes an evening. Start with whichever domain your pacing guide calls for next.
Covers Common Core 1.OA, using addition and subtraction within 20 to solve word problems set in familiar situations.
View lessonsTargets Common Core 1.NBT, understanding that the two digits of a two-digit number represent amounts of tens and ones.
View lessonsAligned to Common Core 1.MD, students order three objects by length and compare the lengths of two objects indirectly using a third object.
View lessonsCovers Common Core 1.G, composing two-dimensional shapes to create composite shapes and building early reasoning about shape attributes.
View lessonsAddresses Common Core 1.OA, determining the unknown whole number in an addition or subtraction equation relating three whole numbers.
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