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
23 − 10 = ______
81 − 10 = ______
7 × 10 = ______
86 + 20 = ______
60 + 20 = ______
55 + 20 = ______
34 − 10 = ______
1 × 10 = ______
2 × 10 = ______
88 + 10 = ______
35 + 20 = ______
26 − 10 = ______
50 + 20 = ______
95 − 10 = ______
16 + 10 = ______
54 + 20 = ______
23 + 10 = ______
5 × 10 = ______
86 − 10 = ______
9 × 10 = ______
