Level 1
From 11 to 20
Write eleven in digit(s).
1 m
Level 1
Look at the numbers. The even number is                    .
125, 583, 438
1 m
Level 1
Based on the number sequences, find the missing information for (a) and (b).

(1) 867 - 97 = 867 - 100 + 3
(2) 3632 - 970 = 3632 - (a) ________ + (b) ________
(3) 34873 - 9980 = 34873 - 10000 + 20
(4) 234679 - 99998 = 234679 - 100000 + 2
1 m
Level 1
635 892 = 600 000 + ____ + 5000 + 800 + 92
1 m
Level 1
From 11 to 20
Write 11 in words.
1 m