This math topic focuses on solving for missing values in addition equations involving tens. It is designed to help learners improve their understanding and skills in addition and subtraction of integers, specifically with one and two-digit numbers. Each problem on the topic presents an equation where learners must identify the missing integer to complete the sum correctly. The problems are multiple-choice and provide a range of possible answers, challenging learners to employ basic arithmetic operations and logical thinking to find the correct solution.

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

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Addition - Missing Value, Tens Worksheet

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Math worksheet on 'Addition - Missing Value, Tens (Level 1)'. 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 LaTex expression showing 33 + ? = 43
a
130
b
10
c
11
d
5
e
110
f
0
2
Solve for the missing value
A LaTex expression showing ? + 20 = 75
a
51
b
55
c
44
d
63
e
49
f
52
3
Solve for the missing value
A LaTex expression showing ? + 20 = 64
a
38
b
440
c
410
d
450
e
39
f
44
4
Solve for the missing value
A LaTex expression showing 51 + ? = 71
a
17
b
20
c
19
d
1,700
e
180
f
16
5
Solve for the missing value
A LaTex expression showing 80 + ? = 110
a
33
b
3
c
0
d
32
e
30
f
28
6
Solve for the missing value
A LaTex expression showing 84 + ? = 104
a
19
b
0
c
20
d
23
e
16
f
240
7
Solve for the missing value
A LaTex expression showing 28 + ? = 38
a
80
b
9
c
8
d
0
e
10
f
1,400
Addition - Missing Value, Tens (Level 1) - Mobius Math