19.11.14
LO: to round any 2 digit number to the nearest 10
Check list:
Tick when you have
done these:
Teacher check:
Have I successfully rounded my
numbers up or down?
Have I checked my answers?
How do you think you did today?
0 1
2 3 4 5 6 7 8 9 10
4 and below round DOWN
5 and above round UP
Circle the tens number you would round up or down to …
Round down
Starting number
Round up
70
73
80
20
21
30
30
39
40
40
44
50
80
81
90
80
89
90
70
75
80
30
31
40
60
66
70
80
82
90
40
45
50
10
12
20
0
6
10
90
99
100
Challenge: Make some 2 digit numbers of your own using your
0-9 digit cards. Can you round these numbers to the nearest
10?
19.11.14
LO: to round any 3 digit number to the nearest 10
Check list:
Tick when you have
done these:
Teacher check:
Have I successfully rounded my
numbers up or down?
Have I checked my answers?
How do you think you did today?
0 1
2 3 4 5 6 7 8 9 10
4 and below round DOWN
5 and above round UP
Circle the tens number you would round up or down to …
Round down
Starting number
Round up
170
173
180
220
221
230
130
139
140
540
544
550
280
281
290
280
289
290
370
375
380
830
831
840
460
466
470
280
282
290
940
945
950
510
512
520
200
206
210
190
199
200
Challenge: Make some 3 digit numbers of your own using your
0-9 digit cards. Can you round these numbers to the nearest
10?
19.11.14
LO: to round any 3 digit number to the nearest 10 and add two numbers
together
Check list:
Tick when you have
done these:
Teacher check:
Have I successfully rounded my
numbers up or down?
Have I written out my
calculation clearly
Have I checked my answers?
How do you think you did today?
0 1
2 3 4 5 6 7 8 9 10
4 and below round DOWN
5 and above round UP
Copy and complete these calculations in your maths book
1. 346 + 229
350 + 230 = (300 + 200) + (50 + 30)
500 + 80 = 580
2. 533 + 352 =
3. 155 + 689 =
4. 738 + 211 =
5. 245 + 351 =
6. 145 + 99 =
Challenge * - can you make 3 digit numbers, round them to the
nearest 10 and then add them together?