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 = ______
54 + 20 = ______
19 + 10 = ______
23 + 10 = ______
49 + 10 = ______
3 × 10 = ______
24 + 10 = ______
93 − 10 = ______
87 + 20 = ______
64 + 10 = ______
39 + 20 = ______
82 + 10 = ______
75 + 20 = ______
59 − 10 = ______
96 − 10 = ______
30 − 10 = ______
51 − 10 = ______
48 + 10 = ______
1 × 10 = ______
41 + 10 = ______
