Which of these pairs of numbers has a difference of 18?
| `18 and 81` | `25 and 33` | `16 and 34` | `12 and 40` |
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Number and Algebra, NAP-H2-5v1
What number is 13 less than 1005?
| `902` | `908` | `992` | `1018` |
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Number and Algebra, NAP-B1-24 SA
| `55 - 28 =` |
Number and Algebra, NAP-D1-24 SA
Write a number in the box to make this number sentence correct.
| `33 -` | `= 17` |
Number and Algebra, NAP-D1-15
Tori wrote this correct number sentence.
`19 + 31 = 50`
Which of these number sentences is also correct?
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`50 - 19 = 31` |
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`50 + 31 = 19` |
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`19 - 50 = 31` |
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`31 + 50 = 19` |
Number and Algebra, NAP-E1-25 SA
Write a number in the box to make the number sentence correct.
| `44 -` | `= 18` |
Number and Algebra, NAP-F1-24
| `51 - 35 =` |
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| `14` | `16` | `24` | `26` |
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Number and Algebra, NAP-F1-16 SA
| `- 25 = 15` |
Number and Algebra, NAP-I1-30
Vivian wrote the number sentence
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`- 3 = 6` |
In which of these does the 
have the same value as above?
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Number and Algebra, NAP-H1-21
Michelle, Lucy, Clare and Steph are sisters.
The years they were born are recorded in the table below.
Who is the second youngest sister?
| `text(Michelle)` | `text(Lucy)` | `text(Clare)` | `text(Steph)` |
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