Find the sum/difference
Find the sum of 15 and 6
21
Sarah has 3 more apples than John. John has 7 apples. How many apples do Sarah and John have altogether?
10
What is 84 rounded to the nearest 10?
80
Which addition equation shows a relationship that helps you solve 74 – 38 = ?
Ⓐ 38 + 36 = 74
Ⓑ 38 + 74 = 112
Ⓒ 74 + 36 = 110
Ⓓ 36 + 112 = 148
A. 38 + 36 = 74
Find the difference of 67 and 9
58
Laura had 40 stickers in her collection. She gave 12 of them to her sister. Then she bought 20 more stickers. How many stickers does Laura have in her collection now?
48
What is 66 rounded to the nearest 10?
70
Which addition equation shows a relationship that helps you solve 56 – 29 = ?
A. 27 + 56 = 83
B. 56 + 29 = 85
C. 29 + 27 = 56
D. 29 + 56 = 85
C. 29 + 27 = 56
Find the difference of 38 and 43
81
There were some books on a shelf. Then John put 18 more books on the shelf. Now there are 65 books on the shelf.
How many books were on the shelf to begin with?
47
To the nearest 10, which number rounds to 50?
Ⓐ 54
Ⓑ 56
Ⓒ 63
Ⓓ 78
A. 54
Which addition equation shows a relationship that helps you solve 58 – 34 = ?
A. 58 + 34 = 92
B. 24 + 34 = 58
C. 24 + 58 = 82
D. 34 + 58 = 92
B. 24 + 34 = 58
Find the difference of 56 and 29
85
There were some toy cars on a table. Then Liam placed 15 more toy cars on the table. Now there are 52 toy cars on the table.
How many toy cars were on the table to begin with?
37
To the nearest 10, which number rounds to 80?
Ⓐ 74
Ⓑ 69
Ⓒ 86
Ⓓ 82
D. 82
Which addition equation shows a relationship that helps you solve 63 – 29 = ?
A. 29 + 63 = 92
B. 63 + 34 = 97
C. 29 + 34 = 63
D. 34 + 63 = 97
C. 29 + 34 = 63
Find the difference of 61 and 38
99
Ethan had 35 trading cards in his collection. He gave 10 of them to his friend. Then he bought 25 more trading cards.
How many trading cards does Ethan have in his collection now?
50
Four digits are shown below.
3, 5, 4, 8
Use only two of the digits to create a number that rounds to 50 when rounded to the nearest ten.
Ⓐ 35
Ⓑ 44
Ⓒ 53
Ⓓ 84
C. 53
Which addition equation shows a relationship that helps you solve 65 – 24 = ?
Ⓐ 24 + 41 = 65
Ⓑ 65 + 24 = 89
Ⓒ 41 + 65 = 106
Ⓓ 24 + 89 = 113
A. 24 + 41 = 65