Addition and Subtraction within 20

“6. Add and subtract within 20. a. Demonstrate fluency with addition and subtraction facts with sums or differences to 10 by counting on.”

What is 3 + 4? (Use counting on to solve.)

• 6
• 5
• 8
• 7

6. Add and subtract within 20. a. Demonstrate fluency with addition and subtraction facts with sums or differences to 10 by counting on.

What is 5 + 2? (Use counting on to solve.)

• 9

• 6

• 7

• 8

6. Add and subtract within 20. a. Demonstrate fluency with addition and subtraction facts with sums or differences to 10 by counting on.

What is 9 - 4? (Use counting on to solve.)

• 4

• 3

• 5

• 6

6. Add and subtract within 20. a. Demonstrate fluency with addition and subtraction facts with sums or differences to 10 by counting on.

What is 2 + 6? (Use counting on to solve.)

• 8

• 9

• 6

• 7

6. Add and subtract within 20. a. Demonstrate fluency with addition and subtraction facts with sums or differences to 10 by counting on.

What is 4 + 5? (Use counting on to solve.)

• 8

• 10

• 9

• 7

6. Add and subtract within 20. a. Demonstrate fluency with addition and subtraction facts with sums or differences to 10 by counting on.

What is 7 - 3? (Use counting on to solve.)

• 3

• 4

• 5

• 2

6. Add and subtract within 20. a. Demonstrate fluency with addition and subtraction facts with sums or differences to 10 by counting on.

What is 6 + 2? (Use counting on to solve.)

• 7

• 8

• 9

• 6

6. Add and subtract within 20. a. Demonstrate fluency with addition and subtraction facts with sums or differences to 10 by counting on.”

What is the difference between 10 and 4?

• 5
• 7
• 8
• 6

“6. Add and subtract within 20. a. Demonstrate fluency with addition and subtraction facts with sums or differences to 10 by counting on.”

You had 8 blocks and gave away 2. How many do you have now?

• 6
• 4
• 7
• 5

6. Add and subtract within 20. a. Demonstrate fluency with addition and subtraction facts with sums or differences to 10 by counting on.”

Start at 6 and count back 4. Where do you end up?

• 5
• 1
• 2
• 3