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
24 + 20 = ______
3 × 10 = ______
92 − 10 = ______
47 + 10 = ______
74 + 20 = ______
87 + 10 = ______
43 + 20 = ______
7 × 10 = ______
74 + 10 = ______
33 + 20 = ______
66 − 10 = ______
88 − 10 = ______
2 × 10 = ______
5 × 10 = ______
59 − 10 = ______
36 + 10 = ______
22 + 10 = ______
49 − 10 = ______
42 + 10 = ______
51 − 10 = ______
