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
28 + 10 = ______
30 + 20 = ______
84 − 10 = ______
7 × 10 = ______
93 − 10 = ______
33 + 10 = ______
9 × 10 = ______
80 − 10 = ______
24 − 10 = ______
95 − 10 = ______
56 + 10 = ______
63 + 20 = ______
14 + 20 = ______
63 + 10 = ______
18 + 10 = ______
1 × 10 = ______
67 − 10 = ______
67 + 10 = ______
70 + 10 = ______
8 × 10 = ______
