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Common Core

1.OA.C.6

27 lessons teach this standard. Every lesson is interactive, and every one prints as a worksheet with a separate answer key.

Grade 1 Math · Chapter 1 · Lesson 1

See It Fast

Look at dots and know how many, without counting.

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Grade 1 Math · Chapter 1 · Lesson 2

Five and Some More

See a big group as a full five, plus a little more.

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Grade 1 Math · Chapter 1 · Lesson 4

All the Ways to Make 6 and 7

Find every pair of parts that makes 6 or 7.

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Grade 1 Math · Chapter 1 · Lesson 5

All the Ways to Make 8 and 9

Find every pair of parts that makes 8 or 9.

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Grade 1 Math · Chapter 1 · Lesson 6

Partners to Ten

Know fast how many more you need to make ten.

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Grade 1 Math · Chapter 1 · Lesson 8

How Many Do You See?

Put it all together with picture and story problems.

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Grade 1 Math · Chapter 2 · Lesson 2

Counting On

Start at one number instead of going back to one.

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Grade 1 Math · Chapter 2 · Lesson 3

Counting On With Pictures

Use a number and a dot card together.

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Grade 1 Math · Chapter 2 · Lesson 4

Adding in Any Order

Swap the parts and the total stays the same.

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Grade 1 Math · Chapter 2 · Lesson 6

Finding the Missing Part

Work out the number that is hiding.

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Grade 1 Math · Chapter 2 · Lesson 7

Doubles

Two groups the same size.

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Grade 1 Math · Chapter 2 · Lesson 8

Doubles and One More

Use a double you know to work out one you do not.

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Grade 1 Math · Chapter 2 · Lesson 9

Facts to Ten

Put every strategy together and spot the patterns.

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Grade 1 Math · Chapter 3 · Lesson 3

Taking Away

Some go away, and you count what is left.

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Grade 1 Math · Chapter 3 · Lesson 6

Fact Families

Three numbers make four sentences.

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Grade 1 Math · Chapter 3 · Lesson 7

Taking Nothing and Taking All

Some subtractions you can answer without working.

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Grade 1 Math · Chapter 3 · Lesson 8

Subtracting From Ten

Your partners to ten work backwards too.

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Grade 1 Math · Chapter 3 · Lesson 9

Adding and Subtracting to Ten

Mix them up and pick your own way.

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Grade 1 Math · Chapter 4 · Lesson 5

Breaking Teen Numbers Apart

Split a teen number into ten and the rest.

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Grade 1 Math · Chapter 5 · Lesson 2

Making Ten From Nine

Move one across and the hard sum turns easy.

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Grade 1 Math · Chapter 5 · Lesson 3

Making Ten From Eight

Now move two across.

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Grade 1 Math · Chapter 5 · Lesson 4

Start With the Bigger One

Swap first, then make your ten.

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Grade 1 Math · Chapter 5 · Lesson 5

Counting On or Making Ten?

Two good ways. Which is quicker here?

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Grade 1 Math · Chapter 5 · Lesson 6

Taking From Ten

Break the teen number apart and take from the ten.

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Grade 1 Math · Chapter 5 · Lesson 7

Take From Ten in Stories

Use the same move on real problems.

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Grade 1 Math · Chapter 8 · Lesson 5

Making the Next Ten

Use the make-ten move on bigger numbers.

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Grade 1 Math · Chapter 10 · Lesson 10

Year-End Fluency Festival

Look back at everything you learned this year.

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