Addition - Missing Value, To Tens (Level 1)

This math topic focuses on practicing the skill of finding missing values in simple addition equations, where sums are rounded to tens. The problems are designed to improve understanding and proficiency in adding integers, specifically one and two-digit numbers. Each problem requires identifying the unknown integer that completes an addition equation to reach a given sum. These basic arithmetic problems are suitable for enhancing mental math capabilities and problem-solving skills, especially concerning basic addition operations.

Work on practice problems directly here, or download the printable pdf worksheet to practice offline.

Addition - Missing Value, To Tens Worksheet

Math worksheet on 'Addition - Missing Value, To Tens (Level 1)'. Part of a broader unit on 'Addition and Subtraction of Integers - 1 Digit' Learn online: app.mobius.academy/math/units/addition_and_subtraction_integers_1_digit/

1

Solve for the missing value

a

1

b

7

c

200

d

8

e

6

f

9

2

Solve for the missing value

a

7

b

4

c

50

d

10

e

8

f

500

3

Solve for the missing value

a

0

b

5

c

-100

d

1

e

4

f

2

4

Solve for the missing value

a

12

b

0

c

13

d

15

e

2

f

16

5

Solve for the missing value

a

4

b

600

c

0

d

5

e

3

f

2

6

Solve for the missing value

a

2

b

14

c

12

d

11

e

10

f

0

7

Solve for the missing value

a

300

b

0

c

3

d

200

e

5

f

-10