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
6 × 10 = ______
24 − 10 = ______
52 + 20 = ______
50 − 10 = ______
55 + 10 = ______
24 + 10 = ______
4 × 10 = ______
51 − 10 = ______
29 + 20 = ______
97 − 10 = ______
35 − 10 = ______
3 × 10 = ______
54 + 20 = ______
68 + 10 = ______
25 − 10 = ______
17 + 20 = ______
76 − 10 = ______
68 − 10 = ______
9 × 10 = ______
43 + 10 = ______
