Grades:
2nd Grade,
1st Grade
Subjects:
Math
Standards:
Look for and make use of structure. (MP.7.),
Mentally add 10 or 100 to a given number 100–900, and mentally subtract 10 or 100 from a given number 100–900. (2.NBT.8.),
Count within 1000; skip-count by 5s, 10s, and 100s. (2.NBT.2.),
Make sense of problems and persevere in solving them. (MP.1.),
Given a two-digit number, mentally find 10 more or 10 less than the number, without having to count; explain the reasoning used. (1.NBT.5.),
Attend to precision. (MP.6.),
Count to 120, starting at any number less than 120. In this range, read and write numerals and represent a number of objects with a written numeral. (1.NBT.1.)
Student Instructions
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each time to see if you are right. If you are NOT right, drag the number out and find the correct one.
