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
69 + 10 = ______
86 + 20 = ______
76 + 10 = ______
1 × 10 = ______
39 − 10 = ______
95 − 10 = ______
68 − 10 = ______
15 + 20 = ______
85 + 20 = ______
74 − 10 = ______
56 − 10 = ______
25 + 10 = ______
36 + 10 = ______
56 + 10 = ______
7 × 10 = ______
5 × 10 = ______
46 + 10 = ______
70 − 10 = ______
22 − 10 = ______
88 − 10 = ______
