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
63 − 10 = ______
5 × 10 = ______
75 + 10 = ______
52 + 10 = ______
96 − 10 = ______
86 − 10 = ______
12 + 20 = ______
33 + 20 = ______
3 × 10 = ______
56 + 20 = ______
61 + 10 = ______
9 × 10 = ______
50 + 20 = ______
71 − 10 = ______
41 − 10 = ______
22 − 10 = ______
35 + 10 = ______
63 + 10 = ______
16 + 10 = ______
46 + 20 = ______
