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
70 − 10 = ______
84 − 10 = ______
33 + 10 = ______
71 + 20 = ______
6 × 10 = ______
3 × 10 = ______
88 − 10 = ______
23 + 10 = ______
26 + 20 = ______
59 + 10 = ______
69 + 10 = ______
30 − 10 = ______
24 − 10 = ______
19 + 10 = ______
44 − 10 = ______
66 + 20 = ______
4 × 10 = ______
58 + 10 = ______
38 + 10 = ______
62 + 20 = ______
