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学生说明
1) Click 
to begin.
2) Use the 
tool to move the numbers.
3) Click 
when you're done.
教师备注（学生不可见）
Level 4: I can skip count by a number of my choice, not including 1s, 5s, and 10s; create a song to help classmates skip count by 5s and 10s from multiples. Level 3: I can skip count forward and backward by 5s and 10s from multiples and see the patterns of up to 10 skip counts. *I can understand essential vocabulary, such as: Skip count, Multiple, Pattern *I can point out multiples of 5s within 50 on a visual such as a number chart or number line. *I can point out multiples of 10 within 100 on a visual such as a number chart or number line.
