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
26 + 10 = ______
37 + 20 = ______
27 − 10 = ______
83 + 10 = ______
58 − 10 = ______
57 + 10 = ______
42 − 10 = ______
48 − 10 = ______
51 − 10 = ______
42 + 20 = ______
99 − 10 = ______
24 + 10 = ______
7 × 10 = ______
75 + 10 = ______
91 − 10 = ______
42 + 10 = ______
87 + 10 = ______
28 + 20 = ______
8 × 10 = ______
9 × 10 = ______
