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AK.1.CC.Counting and Cardinality
Counting and Cardinality
Count to tell the number of objects.
1.CC.4. Count a large quantity of objects by grouping into 10s and counting by 10s and 1s to find the quantity.
1.G.3. Partition circles and rectangles into two and four equal shares. Describe the shares using the words, halves, fourths, and quarters and phrases half of, fourth of and quarter of. Describe the whole as two of or four of the shares. Understand for these ex
Use place value understanding and properties of operations to add and subtract.
1.NBT.4. Add using numbers up to 100 including adding a two-digit number and a one-digit number and adding a two-digit number and a multiple of 10.
1.NBT.4.a. Use concrete models or drawings and strategies based on place value; properties of operations; and/or relationship between addition and subtraction.
1.NBT.4.c. Demonstrate in adding two-digit numbers, tens and tens are added, ones and ones are added and sometimes it is necessary to compose a ten from ten ones.
1.NBT.6.a. Use concrete models or drawings; strategies based on place value; properties of operations; and/or the relationship between addition and subtraction.
1.OA.7. Understand the meaning of the equal sign (e.g., read equal sign as “same as”) and determine if equations involving addition and subtraction are true or false. For example, which of the following equations are true and which are false?6 = 6, 7 = 8 - 1, 5 +
Quiz, Flash Cards, Worksheet, Game & Study GuideSymmetry
Understand and apply properties of operations and the relationship between addition and subtraction.
1.OA.3. Apply properties of operations as strategies to add and subtract. (Students need not know the name of the property.) For example: If 8 + 3 = 11 is known, then 3 + 8 = 11 is also known (Commutative property of addition). To add 2 + 6 + 4, the second two n
Represent and solve problems involving addition and subtraction.
1.OA.1. Use addition and subtraction strategies to solve word problems (using numbers up to 20), involving situations of adding to, taking from, putting together, taking apart and comparing, with unknowns in all positions, using a number line (e.g., by using obje