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Add + Subtract topics for elementary kids

Below are the elementary topics available for the category "Add + Subtract" at Free Math Games.

These free math topics with audio offer a complete set of basic Add + Subtract topics for elementary pupils (Kindergarten to 5th grade, ages 5 to 11). The Add + Subtract category is divided into sub-categories such as "Add 109, 119, 129", "Add 101, 111, 121", "Subtract 89, 99, 109", etc. Each sub-category has multiple topics with between 6 and 10 question and answer pairs for the lessons, plus additional question answer pairs for the games and tests.

For each question/answer pair in a topic you get the question as picture, equation or text, the spoken question read by a robot, and an answer as both number or text and as audio. For most topics there are also 3 wrong answers prepared for each question.

Kindergarten (11 topics)

Add + Subtract ➔ Add then subtract

+9
Adding 9
Add 9 to a number by adding 10 and then subtracting 1
+8
Adding 8
Add 8 to a number by adding 10 and then subtracting 2

Add + Subtract ➔ Add then add again

+11
Adding 11
Add 11 to a number by adding 10 and then adding 1
+12
Adding 12
Add 12 to a number by adding 10 and then adding 2 more

Add + Subtract ➔ Subtract then add

-9
Subtract 9
Subtract 9 from a number by subtracting 10 then adding 1 back
-8
Subtract 8
Subtract 8 by subtracting 10 from a number then adding 2 back

Add + Subtract ➔ Subtract then subtract again

-11
Subtract 11
Subtract 11 by subtracting 10 from the number and then subtracting 1 more
-12
Subtract 12
Subtract 12 by subtracting 10 then subtracting 2 more

Add + Subtract ➔ Number machine

Add and subtract
Add and subtract to find the answer
Missing addition
Find the missing number in these number machine additions
Missing subtraction
Find the missing number for these number machine 2 step subtractions

1st grade (13 topics)

Add + Subtract ➔ Add and then subtract

+19
Adding 19
Add 19 by adding 20 to a number and then subtracting 1
+18
Adding 18
Add 18 by first adding 20 to a number and then subtracting 2 from the result

Add + Subtract ➔ Add and then add again

+21
Adding 21
Add 21 by adding 20 to a number and then adding 1 more
+22
Adding 22
Add 22 by adding 20 to the number and then adding 2 more

Add + Subtract ➔ Subtract and then add

77 - 19
= 58
Subtract 19
To subtract 19 from a number subtract 20 and then add 1
45 - 18
= 27
Subtract 18
Subtract 18 by subtracting 20 from a number then adding 2

Add + Subtract ➔ Subtract and then subtract

44 - 21
= 23
Subtract 21
Subtract 21 by subtracting 20 from a number then subtracting 1 more
56 - 22
= 34
Subtract 22
Subtract 22 by subtracting 20 from a number then subtracting 2 more

Add + Subtract ➔ Number machine

Add and subtract
Add and subtract to find the answer
Missing addition
Find the missing number for the addition
Missing subtraction
Find the missing number in these 2 step subtractions

Add + Subtract ➔ Checking answers

Checking subtractions
Choose the inverse operations that check these subtractions
Checking additions
Choose the inverse operations that correctly check these additions

2nd grade (21 topics)

Add + Subtract ➔ Add 9, 19 ,29, 39

+9
Adding 9
Add 9 by first adding 10 to a number and then subtracting 1 from the result
+19
Adding 19
Add 19 by first adding 20 to a number and then subtracting 1 from the result
+29
Adding 29
Add 29 by first adding 30 to a number and then subtracting 1 from the result
+39
Adding 39
Add 39 by first adding 40 to a number and then subtracting 1 from the result

Add + Subtract ➔ Add 11, 21, 31, 41

+11
Adding 11
Add 11 by first adding 10 to a number and then adding 1 more
+21
Adding 21
Add 21 by first adding 20 to a number and then adding 1 more
+31
Adding 31
Add 31 by first adding 30 to a number and then adding 1 more
+41
Adding 41
Add 41 by first adding 40 to a number and then adding 1 more

Add + Subtract ➔ Subtract 9, 19 ,29, 39

21-9
Subtracting 9
Subtract 9 by subtracting 10 from a number then adding 1
56-19
Subtracting 19
Subtract 19 by subtracting 20 from a number then adding 1
77-29
Subtracting 29
Subtract 29 by subtracting 30 from a number then adding 1
81-39
Subtracting 39
Subtract 39 by subtracting 40 from a number then adding 1

Add + Subtract ➔ Subtract 11, 21, 31, 41

47-11
Subtracting 11
Subtract 11 by subtracting 10 and then subtracting 1 more
77-21
Subtracting 21
Subtract 21 by subtracting 20 and then subtracting 1 more
92-31
Subtracting 31
Subtract 31 by subtracting 30 and then subtracting an extra 1
97-41
Subtracting 41
Subtract 41 by subtracting 40 and then subtracting 1 more

Add + Subtract ➔ Number machine

Add and subtract
Add and subtract to find the answer
Missing addition
Find the missing number for the addition
Missing subtraction
Find the missing subtraction in these add and subtract sums

Add + Subtract ➔ Checking answers

Checking subtractions
Choose the inverse operations that check these subtractions
Checking additions
Choose the inverse operations that correctly check these additions

3rd grade (17 topics)

Add + Subtract ➔ Add 49, 59, 69

+49
Adding 49
Add 49 to a number by first adding 50 and then subtracting 1 from the result
+59
Adding 59
Add 59 to a number by first adding 60 and then subtracting 1
+69
Adding 69
Add 69 to a number by first adding 70 and then subtracting 1

Add + Subtract ➔ Add 51, 61, 71

+51
Adding 51
Add 51 to a number by first adding 50 and then adding 1 more
+61
Adding 61
Add 61 to a number by first adding 60 and then adding 1 more
+71
Adding 71
Add 71 to a number by first adding 70 and then adding 1 more

Add + Subtract ➔ Subtract 49, 59, 69

- 49
Subtracting 49
Subtract 49 from a number by subtracting 50 and then adding 1 back
- 59
Subtracting 59
Subtract 59 from a number by subtracting 60 and then adding 1
- 69
Subtracting 69
Subtract 69 from a number by subtracting 70 and then adding 1

Add + Subtract ➔ Subtract 51, 61, 71

- 51
Subtracting 51
Subtract 51 from a number by subtracting 50 and then subtracting 1 more
- 61
Subtracting 61
Subtract 61 from a number by subtracting 60 and then subtracting 1 more
- 71
Subtracting 71
Subtract 71 by subtracting 70 and then subtracting 1 more

Add + Subtract ➔ Number machine

Add and subtract
Add to a number and then subtract to find the answer
Missing addition
Find the missing addition in these add and subtract sums
Missing subtraction
Find the missing subtraction value in these 2 step add and subtract sums

Add + Subtract ➔ Checking answers

Checking subtractions
Choose the correct inverse operation to check the given subtraction
Checking additions
Choose the inverse operations that correctly check the given additions

4th grade (18 topics)

Add + Subtract ➔ Add 79, 89, 99

60+79
Add 79 to a multiple of 10
Add 79 to a number by adding 80 and then subtracting 1
110+89
Add 89 to a multiple of 10
Add 89 to a number by adding 90 and then subtracting 1
270+99
Add 99 to a multiple of 10
Add 99 to a number by adding 100 and then subtracting 1

Add + Subtract ➔ Add 71, 81, 91

40+71
Add 71 to a multiple of 10
Add 71 to a number by adding 70 and then adding 1 more
260+81
Add 81 to a multiple of 10
Add 81 to a number by adding 80 and then adding 1 more
340+91
Add 91 to a multiple of 10
Add 91 to a number by adding 90 and then adding 1 more

Add + Subtract ➔ Subtract 79, 89, 99

210-79
Subtract 79 from a multiple of 10
Subtract 79 from a number by subtracting 80 and then adding 1
260-89
Subtract 89 from a multiple of 10
Subtract 89 from a number by first subtracting 90 and then adding 1
340-99
Subtract 99 from a multiple of 10
Subtract 99 from a number by subtracting 100 and then adding 1

Add + Subtract ➔ Subtract 71, 81, 91

-71
Subtracting 71
Subtract 71 by subtracting 70 and then subtracting 1 more
-81
Subtracting 81
Subtract 81 by subtracting 80 and then subtracting 1 more
-91
Subtracting 91
Subtract 91 by subtracting 90 and then subtracting 1 more

Add + Subtract ➔ Number machine

Add and subtract
Add and subtract to find the answer to these 2 step problems
Order of operations
Identify which pairs of operations produce the same answer
Missing addition
Find the missing addition in these 2 step add and subtract number machine operations
Missing subtraction
Find the missing subtraction value in these 2 step add and subtract operations

Add + Subtract ➔ Checking answers

Checking subtractions
Choose the inverse operations that check these subtractions
Checking additions
Choose the inverse operations that check these additions

5th grade (17 topics)

Add + Subtract ➔ Add 109, 119, 129

109 + 20
Add 109 to a multiple of 10
Add 109 to a number by first adding 110 and then subtracting 1 from the result
119 + 40
Add 119 to a multiple of 10
Add 119 to a number by first adding 120 and then subtracting 1 from the result
129 + 40
Add 129 to a multiple of 10
Add 129 to a number by first adding 130 and then subtracting 1 from the result

Add + Subtract ➔ Add 101, 111, 121

101 + 20
Add 101 to a multiple of 10
Add 101 to a number by first adding 100 and then adding a further 1 to the answer
111 + 50
Add 111 to a multiple of 10
Add 111 to a number by first adding 110 and then adding a further 1 to the answer
121 + 70
Add 121 to a multiple of 10
Add 121 to a number by first adding 120 and then adding a further 1 to the answer

Add + Subtract ➔ Subtract 89, 99, 109

110 - 89
Subtract 89 from multiple of 10
Subtract 89 from a number by first subtracting 90 and then adding 1 to the result
170 - 99
Subtract 99 from multiple of 10
Subtract 99 from a number by first subtracting 100 and then adding 1 to the result
140 - 109
Subtract 109 from multiple of 10
Subtract 109 from a number by first subtracting 110 and then adding 1 to the result

Add + Subtract ➔ Subtract 101, 111, 121

219 - 101
Subtract 101
Subtract 101 from a number by subtracting 100 and then subtracting 1 more
314 - 111
Subtract 111
Subtract 111 from a number by subtracting 110 and then subtracting 1 more
667 - 121
Subtract 121
Subtract 121 from a number by subtracting 120 and then subtracting 1 more

Add + Subtract ➔ Number machine

Add and subtract
Add and subtract to find the answer to these 2 step problems
Missing addition
Find the missing addition in these 2 step add and subtract number machine operations
Missing subtraction
Find the missing subtraction value in these 2 step add and subtract operations

Add + Subtract ➔ Checking answers

Check subtractions using inverse operations
Choose the inverse operations that check these subtractions
Check additions using inverse operations
Choose the inverse operations that correctly check these additions

In addition to the Add + Subtract topics shown above, the elementary section of Free Math Games has 17 other top level categories of topics to choose from. Each top level category offers a full breadth of topics to cover the elementary curriculum. Use these topics to reinforce key math concepts in a fun and engaging way that will keep your pupils enthused and energised with the math they are learning. The top level categories available are:

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