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
33 − 10 = ______
46 − 10 = ______
28 + 20 = ______
36 + 10 = ______
86 − 10 = ______
3 × 10 = ______
37 − 10 = ______
14 + 20 = ______
75 + 10 = ______
40 − 10 = ______
37 + 10 = ______
67 + 10 = ______
6 × 10 = ______
57 + 20 = ______
35 + 10 = ______
8 × 10 = ______
4 × 10 = ______
62 − 10 = ______
88 + 10 = ______
64 + 20 = ______
