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
74 + 10 = ______
48 − 10 = ______
42 − 10 = ______
61 + 10 = ______
75 + 10 = ______
5 × 10 = ______
74 − 10 = ______
23 + 10 = ______
59 − 10 = ______
33 − 10 = ______
18 + 20 = ______
48 + 10 = ______
3 × 10 = ______
60 + 10 = ______
76 + 10 = ______
84 + 10 = ______
83 − 10 = ______
58 − 10 = ______
56 + 10 = ______
68 − 10 = ______
