Math ยท Place Value
10 More, 10 Less and Adding Tens
Mentally find 10 more or 10 less and add or subtract multiples of 10.
- ๐ Grade 1
- ๐งฎ Math
- ๐ 1.NBT.C.5
- โ 23 questions
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What is 10 more than 81?
- A 101
- B 91
- C 82
- D 71
Add 1 ten: 81 + 10 = 91.
What is 10 more than 27?
- A 47
- B 28
- C 37
- D 17
Add 1 ten: 27 + 10 = 37.
What is 10 less than 23?
- A 22
- B 3
- C 13
- D 33
Take away 1 ten: 23 โ 10 = 13.
What is 10 more than 56?
- A 76
- B 66
- C 46
- D 57
Add 1 ten: 56 + 10 = 66.
36 + 20 = ?
- A 56
- B 66
- C 38
- D 46
Add the tens: 36 + 20 = 56. The ones stay the same.
What is 10 less than 85?
- A 95
- B 84
- C 65
- D 75
Take away 1 ten: 85 โ 10 = 75.
70 โ 70 = ?
- A 1
- B 140
- C 0
- D 10
7 tens โ 7 tens = 0 tens
What is 10 less than 54?
- A 34
- B 64
- C 44
- D 53
Take away 1 ten: 54 โ 10 = 44.
40 + 30 = ?
- A 70
- B 60
- C 7
- D 80
4 tens + 3 tens = 7 tens = 70
What is 10 more than 18?
- A 8
- B 19
- C 28
- D 38
Add 1 ten: 18 + 10 = 28.
52 + 30 = ?
- A 72
- B 82
- C 92
- D 55
Add the tens: 52 + 30 = 82. The ones stay the same.
60 + 30 = ?
- A 100
- B 80
- C 90
- D 9
6 tens + 3 tens = 9 tens = 90
What is 10 less than 71?
- A 81
- B 61
- C 70
- D 51
Take away 1 ten: 71 โ 10 = 61.
20 + 50 = ?
- A 7
- B 60
- C 70
- D 80
2 tens + 5 tens = 7 tens = 70
90 โ 40 = ?
- A 130
- B 60
- C 50
- D 5
9 tens โ 4 tens = 5 tens
80 โ 50 = ?
- A 30
- B 3
- C 130
- D 40
8 tens โ 5 tens = 3 tens
What is 10 more than 63?
- A 73
- B 83
- C 64
- D 53
Add 1 ten: 63 + 10 = 73.
What is 10 less than 49?
- A 29
- B 59
- C 39
- D 48
Take away 1 ten: 49 โ 10 = 39.
What is 10 less than 67?
- A 57
- B 47
- C 77
- D 66
Take away 1 ten: 67 โ 10 = 57.
64 + 30 = ?
- A 94
- B 104
- C 84
- D 67
Add the tens: 64 + 30 = 94. The ones stay the same.
What is 10 more than 45?
- A 55
- B 46
- C 35
- D 65
Add 1 ten: 45 + 10 = 55.
17 + 40 = ?
- A 57
- B 21
- C 67
- D 47
Add the tens: 17 + 40 = 57. The ones stay the same.
70 + 20 = ?
- A 9
- B 90
- C 80
- D 100
7 tens + 2 tens = 9 tens = 90
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