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Estimate the sum of 23 +31 = ……………
50
In triangle there are…… vertices.
3
Which shape has 4 sides, 2 are short and 2 are long?
rectangle
How many faces does a cube have?
6
How many vertices a cone have?
1
25+13=
38
97-53=..........
44
The place value of the digit 7 in the number 875 is ..............
tens
The value of the digit 9 in the number 921 is ..............
900
245= ………. + ………..+ 5
40+200
write 500 + 20 + 3 in standard form …………………
523
Four hundreds fifty five =....... ... (in the standard form)
455
Put the suitable sign (>, <, =):679 567
>
Put the suitable sign (>, <, =):908 980
<
Find the missing number :11 + ………= 20
9
Find the missing number :15 - ………= 10
5
