Arithmetic Cards (within 20)

A4双面打印 · 凑十法/破十法可视化解析 · 裁切即用

Make 10No.1

8 + 5 =

Addition with carrying

Make 10No.2

9 + 6 =

Addition with carrying

Break 10No.3

13 - 5 =

Subtraction with borrowing

Make 10No.4

7 + 4 =

Addition with carrying

Break 10No.5

15 - 7 =

Subtraction with borrowing

Make 10No.6

6 + 8 =

Addition with carrying

Break 10No.7

12 - 8 =

Subtraction with borrowing

Make 10No.8

9 + 5 =

Addition with carrying

★ Front · Questions ★

Make 10= 15

9 + 6 = 15

Make-10 · split the smaller number

9 and 1 make 10 → 10 + 5 = 15

Make 10= 13

8 + 5 = 13

Make-10 · split the smaller number

8 and 2 make 10 → 10 + 3 = 13

Make 10= 11

7 + 4 = 11

Make-10 · split the smaller number

7 and 3 make 10 → 10 + 1 = 11

Break 10= 8

13 - 5 = 8

Break-10 · break the larger number

Split 13 into 10 and 3 → 10 - 5 = 5 → 5 + 3 = 8

Make 10= 14

6 + 8 = 14

Make-10 · split the smaller number

8 and 2 make 10 → 10 + 4 = 14

Break 10= 8

15 - 7 = 8

Break-10 · break the larger number

Split 15 into 10 and 5 → 10 - 7 = 3 → 3 + 5 = 8

Make 10= 14

9 + 5 = 14

Make-10 · split the smaller number

9 and 1 make 10 → 10 + 4 = 14

Break 10= 4

12 - 8 = 4

Break-10 · break the larger number

Split 12 into 10 and 2 → 10 - 8 = 2 → 2 + 2 = 4

★ Back · Explanation (mirrored) ★

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关于算术卡

这套算术卡专为小学一年级学生学习20以内进位加法和退位减法设计。正面是题目算式，背面是详细的凑十法或破十法解析，包含SVG可视化拆解图，用弧线和箭头直观展示 "看大数、分小数、凑成十、加剩数"和"拆大数、减减数、加剩数"的思维过程。

每页A4纸裁切为8张卡片（2列4排），单卡尺寸105mm×74mm。背面采用水平镜像翻转布局，确保双面打印后正反面完美对齐，裁切零错位。卡片四周预留10mm安全边距，防止内容被切。

使用方法：打印 → 裁切 → 正面出题、背面解析。可以当闪卡用，也可以塑封后反复使用。适合家长辅导孩子、老师课堂教学、家庭练习等多种场景。