WaffleMath LogoWaffleMath
K12345678HS浏览标准浏览工作表教师资源

2.NBT.B.8

心里加 10 或 100

在心里给给定的数字加上 10 或 100，然后在心里减去 10 或 100。

年级水平: 二年级 · 领域: 十进制的数字和运算

打印工作表

相关技能

与 0 对齐的游戏

通过这些免费游戏来练习这个标准。

Play Left or Right: Fashion Stylist - 免费数学游戏移动就绪Left or Right: Fashion StylistPlay Left or right? Pony creator - 免费数学游戏移动就绪Left or right? Pony creatorPlay Lethal Company: Labyrinths - 免费数学游戏移动就绪Lethal Company: LabyrinthsPlay Lip Salon - 免费数学游戏移动就绪Lip SalonPlay Lipstick Maker - 免费数学游戏移动就绪Lipstick MakerPlay Little Doll: Beauty Dress Up - 免费数学游戏移动就绪Little Doll: Beauty Dress UpPlay Little Fashionista - 免费数学游戏移动就绪Little FashionistaPlay Little Mermaid Dress Up - 免费数学游戏移动就绪Little Mermaid Dress UpPlay Little Princess Dress Up - 免费数学游戏移动就绪Little Princess Dress UpPlay Live Avatar Maker: Girls - 免费数学游戏移动就绪Live Avatar Maker: GirlsPlay LOL Dolls: Cute Dress Up - 免费数学游戏移动就绪LOL Dolls: Cute Dress UpPlay Lumière Beauty - 免费数学游戏移动就绪Lumière BeautyPlay Lumiere Stylist - 免费数学游戏移动就绪Lumiere StylistPlay Magic Princess - 免费数学游戏移动就绪Magic PrincessPlay Mahjong - Magic Runes - 免费数学游戏移动就绪Mahjong - Magic RunesPlay Mahjong no time limit: Fridge - 免费数学游戏Mahjong no time limit: FridgePlay Mahjong Puzzle Club - 免费数学游戏移动就绪Mahjong Puzzle ClubPlay Mahjong Tarot - Fortune Telling Puzzle - 免费数学游戏移动就绪Mahjong Tarot - Fortune Telling PuzzlePlay Mahjong Time - 免费数学游戏移动就绪Mahjong TimePlay Mahjong Tower: Puzzles - 免费数学游戏移动就绪Mahjong Tower: PuzzlesPlay Make a skin - 免费数学游戏移动就绪Make a skinPlay Make me beautiful! - 免费数学游戏Make me beautiful!Play Makeup and Makeover in a Beauty Salon - 免费数学游戏移动就绪Makeup and Makeover in a Beauty SalonPlay Makeup Aritst - 免费数学游戏移动就绪Makeup AritstPlay Makeup Contest - 免费数学游戏移动就绪Makeup ContestPlay Makeup for friend ASMR - 免费数学游戏移动就绪Makeup for friend ASMRPlay Makeup: game for girls - 免费数学游戏移动就绪Makeup: game for girlsPlay Makeup Kit Beauty Salon - 免费数学游戏移动就绪Makeup Kit Beauty SalonPlay Makeup Star - 免费数学游戏移动就绪Makeup StarPlay Makeup Studio Halloween - 免费数学游戏移动就绪Makeup Studio Halloween

该领域的更多标准

十进制的数字和运算