2.1 Review 1 Count by 5s 10, ____, ____, ____, ____, ____, ____ 2 Count by 5s 370, ____, ____, ____, ____, ____, ____ 3 Count by 10s 36, ____, ____, ____, ____, ____ 4 Count by 10s 50, ____, ____, ____, ____, ____ 5 Count by 100s 220, ____, ____, ____, ____, ____ 6 Count by 100s 488, ____, ____, ____, ____, ____ 7 Odd or Even? 16 8 Odd or Even? 23 9 Odd or Even? 189 10 Odd or Even? 5,856 11 Odd or Even? Even + Even = ? 12 Odd or Even? Odd + Odd = ? 13 Odd or Even? Odd + Even = ? 14 2.1.3: Equal Addends “Doubles” Adding 2 of the same number together. 15 Equal Addends Write a doubles equaPon. 16 Equal Addends Write a doubles equaPon. 17 Equal Addends Write a doubles equaPon. 18 Place Value 4 ones 0 hundreds 6 thousands 3 tens 19 Place Value 9 tens 7 thousands 5 ones 4 hundreds 20 Place Value 1, 6 1 6 _____ thousands, _____ hundreds, _____ tens, _____ ones 21 Place Value 3, 8 2 3 _____ thousands, _____ hundreds, _____ tens, _____ ones 22 S to E NotaPon 1, 4 9 8 _____ + _____ + _____ + _____ 23 S to E NotaPon 1, 5 6 7 _____ + _____ + _____ + _____ 24 E to S NotaPon 700 + 10 + 6 ________ 25 E to S NotaPon 1,000 + 400 + 20 + 5 ________ 26 E to S NotaPon 1,000 + 6 ________ 27 Word Form 3 6 7 ________________ 28 Word Form 1 3 4 ________________ 29 Word Form 1, 5 2 9 ________________ 30 Word Form two hundred eighty-­‐eight ______ 31 Word Form one thousand nine hundred fiYy-­‐three ______ 32 <, >, = 34___ 23 33 <, >, = 378 ___ 873 34 <, >, = 1, 000 ___ 1, 000 35 <, >, = 3, 456 ___ 4, 456 36