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
35 − 10 = ______
61 − 10 = ______
79 + 10 = ______
88 + 10 = ______
14 + 10 = ______
38 + 10 = ______
25 + 10 = ______
9 × 10 = ______
74 − 10 = ______
56 + 10 = ______
19 + 10 = ______
8 × 10 = ______
2 × 10 = ______
52 + 20 = ______
86 − 10 = ______
63 + 20 = ______
74 + 20 = ______
25 − 10 = ______
3 × 10 = ______
76 + 20 = ______
