This math topic focuses on finding missing values in addition equations involving two-digit numbers. Learners practice solving problems where either addend or the sum is unknown. Examples include equations like "71 + ? = 157" and "? + 73 = 153." The equations belong to a broader unit on the addition and subtraction of integers using one and two-digit numbers. Each question offers multiple-choice answers to assess understanding and strengthen integer operation skills.
Work on practice problems directly here, or download the printable pdf worksheet to practice offline.
moreAddition - Missing Value, 2 Digit, 1 Number Worksheet
| Math worksheet on 'Addition - Missing Value, 2 Digit, 1 Number (Level 2)'. Part of a broader unit on 'Addition and Subtraction of Integers - 2 and 3 Digit' Learn online: app.mobius.academy/math/units/addition_and_subtraction_integers_2_and_3_digit/ |
1
| Solve for the missing value |
a
| 1 |
b
| 8 |
c
| 8,300 |
d
| 79 |
e
| 72 |
f
| 7,900 |
2
| Solve for the missing value |
a
| 4,300 |
b
| 4,000 |
c
| 0 |
d
| 4 |
e
| 39 |
f
| 430 |
3
| Solve for the missing value |
a
| 33 |
b
| 39 |
c
| 43 |
d
| 3,400 |
e
| 32 |
f
| 4 |
4
| Solve for the missing value |
a
| 21 |
b
| 26 |
c
| 270 |
d
| 27 |
e
| 2,800 |
f
| 23 |
5
| Solve for the missing value |
a
| 8,400 |
b
| 9 |
c
| 88 |
d
| 82 |
e
| 94 |
f
| 84 |
6
| Solve for the missing value |
a
| 26 |
b
| 2 |
c
| 28 |
d
| 29 |
e
| 21 |
f
| 0 |
7
| Solve for the missing value |
a
| 74 |
b
| 73 |
c
| 70 |
d
| 7,200 |
e
| 75 |
f
| 85 |