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 = ______
24 − 10 = ______
64 − 10 = ______
4 × 10 = ______
91 − 10 = ______
92 − 10 = ______
43 − 10 = ______
37 + 10 = ______
1 × 10 = ______
95 − 10 = ______
12 + 20 = ______
42 − 10 = ______
29 + 10 = ______
8 × 10 = ______
63 + 20 = ______
83 + 20 = ______
9 × 10 = ______
5 × 10 = ______
74 + 20 = ______
48 − 10 = ______
