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
8 × 10 = ______
58 − 10 = ______
48 + 20 = ______
6 × 10 = ______
86 + 10 = ______
71 − 10 = ______
74 − 10 = ______
43 − 10 = ______
70 + 20 = ______
7 × 10 = ______
51 + 20 = ______
4 × 10 = ______
37 + 20 = ______
52 + 20 = ______
9 × 10 = ______
33 + 10 = ______
27 − 10 = ______
63 − 10 = ______
52 − 10 = ______
70 + 10 = ______
