Matemáticas mentales Worksheet
Recommended for 1er grado — 5to grado
Matemáticas mentales Worksheet
Name: ____________________Date: ____________
Instructions: Usar estrategias mentales como sumar diez, duplicar y compensar para calcular rápidamente.
20 problems
87 − 10 = ______
73 + 20 = ______
9 × 10 = ______
70 − 10 = ______
25 + 10 = ______
14 + 20 = ______
88 − 10 = ______
17 + 20 = ______
13 + 10 = ______
40 + 10 = ______
1 × 10 = ______
2 × 10 = ______
71 + 20 = ______
6 × 10 = ______
84 + 10 = ______
98 − 10 = ______
7 × 10 = ______
75 + 10 = ______
35 + 10 = ______
85 + 10 = ______
