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
43 − 10 = ______
42 + 10 = ______
63 − 10 = ______
15 + 10 = ______
58 + 10 = ______
69 − 10 = ______
55 − 10 = ______
65 + 20 = ______
29 + 20 = ______
9 × 10 = ______
35 + 20 = ______
36 + 10 = ______
13 + 10 = ______
88 − 10 = ______
16 + 10 = ______
32 + 20 = ______
4 × 10 = ______
75 − 10 = ______
1 × 10 = ______
5 × 10 = ______
