Practice and Homework Name 5.10 Lesson Facts Practice to 20

Practice and Homework

Name

Lesson 5.10

Facts Practice to 20

COMMON CORE STANDARD¡ª1.OA.C.6

Add and subtract within 20.

Add or subtract.

1.

4

+ 9

2.

5

+ 7

8.

]

7.

9

?B

]

7

3.

13

? 5

9.

]

]

13.

13

? 6

]

14.

6

+B

]

10

4

+ 5

4.

16

? 9

10.

8

16.

]

]

15.

?B

]

3

8

+ 7

5.

3

+ 8

11.

]

+B

]

12

6.

9

? 8

12.

0

18.

]

]

6

11

? 6

]

]

17.

+B

9

]

17

? 8

7

+ 6

]

15

?B

]

6

Problem

Problem Solving

Solving

? Houghton Mifflin Harcourt Publishing Company

Solve. Draw or write to explain.

19. Kara has 9 drawings.

She gives 4 away. How many

drawings does Kara have now?

¡ª drawings

20.

Choose two numbers

from 5 to 9. Use your numbers to

write an addition sentence. Draw

a picture to show your work.

Chapter 5

Math

three hundred thirteen

313

Lesson Check (1.OA.C.6)

1. Add or subtract.

14

? 7

]

15

? 6

8

+ 7

]

]

5

+ 8

]

Spiral Review (1.OA.B.3, 1.OA.D.8)

2. What is the missing number?

Write the missing addend.

7 + B = 12

3. Greg knows 7 + 4 = 11. What other

¡ª

314

? Houghton Mifflin Harcourt Publishing Company

addition fact does he know that

shows the same addends?

Write the new fact.

+¡ª =

FOR MORE PRACTICE

GO TO THE

three hundred fourteen

Personal Math Trainer

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