Mathsheets
Printable math worksheets for teachers and families
Name
Date
Time
:
to
:
Estimating Irrational Numbers
Find the perfect squares either side, then narrow it down by testing tenths.
Example
Between which two whole numbers does
√10
lie? Estimate it to one decimal place and mark it on the number line.
3
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
3.9
4
√10 between
3
and
4
estimate
3.1
1.
Between which two whole numbers does
√3
lie? Estimate it to one decimal place and mark it on the number line.
1
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
2
√3 between
and
estimate
2.
Without a calculator, put
√88
and
√48
in order, and say which whole numbers each lies between.
Order:
√88 between
and
√48 between
and
3.
Between which two whole numbers does
√38
lie? Estimate it to one decimal place and mark it on the number line.
6
6.1
6.2
6.3
6.4
6.5
6.6
6.7
6.8
6.9
7
√38 between
and
estimate
4.
Between which two whole numbers does
√82
lie? Estimate it to one decimal place and mark it on the number line.
9
9.1
9.2
9.3
9.4
9.5
9.6
9.7
9.8
9.9
10
√82 between
and
estimate
5.
Without a calculator, put
√54
and
√31
in order, and say which whole numbers each lies between.
Order:
√54 between
and
√31 between
and